Founded the private business 'Iseki Farm Implements Manufacturing'.
Iikuni Kunizaburo founded the Iikuni Agricultural Tools Trading Company in Shin-gyokucho, Matsuyama City, Ehime Prefecture.
Kunizaburo miraculously survived after the Osaka shipping company 'Midori Maru' collided and sank in the Seto Inland Sea.
Established Iikuni Agricultural Machinery Co., Ltd.
Established the Three Diamond emblem and corporate insignia.
When establishing Iseki Farm Machinery, the new 'ISEKI' unity symbol was set as the Three Diamond Mark and corporate emblem.
Bōsaburō established 'Iseki Farm Machinery Co., Ltd.' and opened Factory 1 (Minato-cho, Matsuyama City), Factory 2 & 3 (same Ōte-cho).
Completed the Viseki-style rice husk scraper series.
Founded the National Viseki Association.
Commenced production of automatic threshers.
Established the private Iikuni Agricultural Machinery Youth School within the first factory.
Invented and patented an automatic airflow adjustment device for the automatic thresher.
Completed the Rotary-type No.1 R model cultivator.
Opened the Iikuni Agricultural Machinery Skills Training Center within the first factory.
All buildings and equipment were destroyed by air raids. Reconstruction then began with the construction of company housing and factories.
Completed the headquarters and Yashiro Town factory in Yashiro Town, Matsuyama City, Ehime Prefecture.
Established a foundry on the site of the Otemachi factory and began casting.
Commenced production of the company's first water-cooled oil engine.
Established a new Kumamoto factory in Kengun Town, Kumamoto City, Kumamoto Prefecture.
In 1953 (Showa 28), we established a small experimental field beside the factory and began basic research.
Held the 30th anniversary celebration.
Announced the manual binding machine (R1A model) and powered harvester (R2B).
Listed shares on the Tokyo Stock Exchange.
Commenced production of tractors.
Established Hongei Industrial Co., Ltd. (formerly Ikeno Hongei Manufacturing).
Established Niigata Ikeno Manufacturing Co., Ltd. (now Ikeno Niigata Manufacturing).
Established Ehime Ikeno Sales Co., Ltd., Gunma Yuseki Sales Co., Ltd. (now a consolidated subsidiary), Minami Niigata Yuseki Sales Co., Ltd., Ibaraki Yuseki Sales Co., Ltd., Tochigi Yuseki Sales Co., Ltd., and Sapporo Yuseki Sales Co., Ltd.
Established Kagawa Yuseki Sales Co., Ltd.
Signed a technology partnership agreement with Porsche Diesel for tractors.
From 1963 (Showa 38), we continued research focusing on the multi-bar attachment type.
Commenced production of the management-type cultivator.
Production of the TB15 model began in 1964 (Showa 39).
Commenced production of the powered rice harvester and binder.
Commenced production of the personal cultivator.
In the following year, 1965 (Showa 40), production and sales of the TB20 tractor for full-scale paddy field work began.
The same model attracted attention for its high performance from the time of its sale, and this was widely recognized in 1966 (Showa 41) during a tractor performance test at the Yajirogata reclamation area in Akita Prefecture. Seventeen models from eleven companies participated, most of which were imported large machines. Because the test site was a super-wet field shortly after reclamation, most of the submitted machines sank and could not move, rendering the test impossible. Only our TB20 model passed the test, surprising the participants and enhancing its reputation as a domestically produced tractor with outstanding performance.
In 1966 (Showa 41), we developed our original "self-detached combine"—a unique world-first that combined the automatic threshing machine with a harvester function.
Commenced production of the self-releasing combine harvester.
Commenced production of the rice transplanter.
Commenced production of the Binder RB50. Established a comprehensive rice farming mechanization system alongside the transplanter, combine, and tractor.
Signed an agency agreement with Ivan Bear Co.
Established the new corporate charter.
Established Chiba Yuseki Sales Co., Ltd.
Furthermore, in the following year, 1967 (Showa 42), members of the Kyoto University Faculty of Agriculture Tractor Research Society used the TB20 to successfully climb Mount Fuji without failure, studying "engine performance at high altitudes" and "the relationship between slope angle and drivability", which led to a reevaluation of the machine's high performance.
In the following year, 1967 (Showa 42), we began production and sales of the world's first mass-produced self-detached combine, the HD50 model.
As our first seed planter, in 1967 (Showa 42) we developed and began trial sales of the P4A model, a four-row seedling planter using the Taylor attachment system.
In 1967 (Showa 42), after thorough preliminary research and investigation in Japan, Ivan Beaul company, which chose our products, requested a business meeting, and we signed an agency agreement with them.
Established Niigata Yuseki Sales Co., Ltd. and invested in Kochi Yuseki Sales Co., Ltd.
Established a new Matsuyama factory in Matsuyama City, Maikicho (now ISEKI M&D Co., Ltd. (Matsuyama)).
Renamed the Tokyo branch as the headquarters office.
Established Keizhi Waseki Sales Co., Ltd.
Exported PF series to Korea, Taiwan, and China.
Started exporting to Indonesian Latan Co.; also exported to other Southeast Asian countries.
Commenced production of passenger combine harvesters.
Commenced production of mat seedling seeders.
Commenced production of tractors equipped with water-cooled diesel engines.
Established Isekai Agricultural Machinery Co., Ltd.'s vocational training school within the Kumamoto plant.
Established Saitama Waseki Sales Co., Ltd.
Established Europe Waseki Co., Ltd. in Brussels, Belgium.
Birth of the iconic seed drill 'Sanae' (PF20).
We began production of the two-wheeled rear-tilt seedling tank, "Sanae PF20".
Conducted technology exchange with China.
Commenced production of the industry's first full 4-row cutter combine (HD2000 model).
Expanded the Matsuyama plant (Waki) and relocated the headquarters to the same site.
Reorganized the overseas business division into the Sales Headquarters Trade Department.
Established a Matsuyama office within the Waki area of the Matsuyama plant.
Opened an Ibaraki plant in Inamura.
Signed a technology partnership agreement with Korean Dongyang Food Industry for the KL781 model cultivator.
First exported the HD50 combine to Asia.
We announced a long-term management policy and designated the fiscal year 1975 as the "Year of Departure Toward the Development of New Life".
Held a 50th anniversary celebration.
Commenced shipment of the TX1300 tractor to Europe (and in the same year also shipped to the United States, Hawaii, and Indonesia).
First export of the TS2210 tractor to Korea
Prototype of unmanned combine (HD1500 model) completed
Signed OEM contract with North American FMC for tractors and began export
Reorganized the Trade Department and established the Overseas Business Division
Relocated the Ibaraki factory to Ami Town, Inashiki District, Ibaraki Prefecture
Opened the Central Training Center (now ISEKI Global Training Center) on the site of the former Ibaraki factory
Commenced production of large tractors (T5000 and 6500 models)
Commenced production of passenger seeders (PL620 and 820 models)
Commenced production of oscillating threshers (MS model)
Commenced production of dryers (GL and GM models)
Changed the English display of the company name to ISEKI & CO., LTD.
Established Mie Waseki Sales Co., Ltd. (now a consolidated subsidiary), Gifu Waseki Sales Co., Ltd., and Aichi Waseki Sales Co., Ltd. (Waseki Tokai Co., Ltd.)
Commenced production of water-cooled diesel engines
Opened an exhibition hall (now ISEKI Dream Gallery) within the Matsuyama plant
Relocated the technology department to Tobe Town, Iyo District, Ehime Prefecture
Sold the industry's first automatic sorter, PolyMate (LT180)
Announced the coin rice mill (CP model)
First export of the passenger seeder (PL820 model) to Taiwan
Commenced production of rotary threshers (MX300 model)
Acquired Ehime Distribution Co., Ltd. (now Iseki Logistics Co., Ltd., a consolidated subsidiary)
Start of production of B-series water-cooled diesel engines
Hold of the 60th anniversary national conference of Iseki
Establishment of Iseki UK Ltd.
Announcement of the industry-first PA series equipped with a rotary planting rod
First export of the TL2700 tractor to Taiwan
Announcement of the Iseki Group's future vision (Iseki Vision)
We announced the "Iseki Vision", summarizing our future aspirations.
First shipment of the SG series passenger mower for Europe
Launch of the industry-first fully automatic vegetable transplanting machine (PV100 model)
Held the first technical research presentation meeting
Since the start of production of the "Sanae" seed planter, 1 million units have been produced
Started OEM supply of tractors (two models based on TA355 and TA305, modified for North American specifications) to Massey Ferguson
Launch of a new category of passenger management machines adopting the new 4WS steering system
Merged two sales companies in East China and established Iseki East China Co., Ltd.
Product symbol mark featuring a stylized "I" of ISEKI has been decided
Received the Chairman's Award at the 100th anniversary of Agricultural Test Research (Awarded for the development and dissemination of a practical self-detaching combine)
Announcement of the "Jias" tractor series
Merged sales company in Tohoku and established Iseki Tohoku Co., Ltd. (now a consolidated subsidiary)
Merged three sales companies in Kyushu and established Iseki Kyushu Co., Ltd. (now a consolidated subsidiary)
Moved headquarters office to Nishi-Nippori, Arakawa-ku, Tokyo
Integrated the Ibaraki plant into the Matsuyama plant
The product symbol mark, which stylized the "I" of ISEKI, was decided.
Merged three sales companies in Hokkaido region and established Iseki Hokkaido Co., Ltd. (now a consolidated subsidiary).
Merged three sales companies in West China region and established Iseki West China Co., Ltd.
Iseki Kyushu Co., Ltd. merged with West Kyushu Iseki Co., Ltd.
Tomiyu Co., Ltd. merged two affiliated companies and changed its name to Aisec Co., Ltd. (now ISEKI Total Life Service Co., Ltd.).
Sold high-output, high-durability, high-efficiency combine harvester HJ for large-scale agriculture.
Established Minowa Iseki Co., Ltd.
Iseki Kyushu Co., Ltd. merged with South Kyushu Iseki Co., Ltd.
First San'ae National Children's Drawing Contest.
Established a Kanto Center in Ami Town, Inashiki District, Ibaraki Prefecture (now Ibaraki Center).
To commemorate the 100th anniversary of the founding of Choro Town, Hokkaido, BIG-T completed a 1,600 km journey from Gifu Prefecture to Gifu in Hokkaido.
Merged two sales companies in Hokuriku region and established Iseki Hokuriku Co., Ltd.
Established Agripp Co., Ltd., a small agricultural machinery sales company (now ISEKI Agri Co., Ltd.).
Sold the HV series equipped with our proprietary emission control system 'Zoom Oga'.
Sold the PA series (L-type) rice transplanters designed for '37-plant sparse planting'.
Surpassed 500,000 diesel engines.
Merged two sales companies in Kinki region and established Iseki Kinki Co., Ltd.
Established Iseki Matsuyama Manufacturing Co., Ltd. and Iseki Kumamoto Manufacturing Co., Ltd. as subsidiaries of the manufacturing division (now ISEKI M&D Co., Ltd.).
Merged two sales companies in China region and established Iseki China Co., Ltd.
Established Ibaraki Iseki Sales Co., Ltd.
Developed the first subcompact tractor (MFGC2300) for North America.
Established Iseki Agricultural Machinery (Changzhou) Co., Ltd. in Jiangsu Province, China.
Opened the Iseki Kousaburo Memorial Hall in Mikan Town.
Merged the three sales companies in the Shikoku region and established Iseki Shikoku Co., Ltd.
Started selling the Auto-Shift Tractor Jias AT.
Opened a liaison office in Bangkok, Thailand.
Commenced full-scale production of the first self-tilting combine specifically designed for China at Iseki Agricultural Machinery (Changzhou) Co., Ltd. in China.
Obtained an environmental rating from the Japan Bank for International Cooperation (first in the agricultural machinery industry).
Launched the Hatsu Ratsu Agricultural Campaign to provide satisfying products and information to customers and strengthen trust.
Iseki Tokai Co., Ltd. merged with Gifu Iseki Sales Co., Ltd.
Ibaraki Iseki Sales Co., Ltd. merged the three sales companies in the Kanto region and changed its name to Iseki Kanto Co., Ltd.
Niigata Iseki Sales Co., Ltd. merged with Nagano Iseki Co., Ltd. and changed its name to Iseki Shinetsu Co., Ltd.
Iseki Kinki Co., Ltd. merged with Keiji Iseki Sales Co., Ltd. and changed its name to Iseki Kansai Co., Ltd.
First in the industry: Launched sales of the 7-row cutter combine Japan.
Started selling the electric mini cultivator "Ere-nai".
Aisec Co., Ltd. merged with Iseki Construction Co., Ltd.
Traveled around Tohoku with a tractor (FOOD ACTION NIPPON support team event).
Kickoff of the 85th anniversary "Dream Agricultural Support Team! ISEKI".
Started selling the new genre combine (HFC433 model).
Launched the "Only I" logo mark used in our proprietary technology.
Established the "Sparse Planting Agricultural Instructor System".
Launch of the Dream Agriculture Support Project Promotion Department
We kicked off the "Dream-Filled Agricultural Support Group! ISEKI".
Established Dongfeng Iseki Agricultural Machinery (Hubei) Co., Ltd. in Hubei Province, China
Commencement of the Eco Product Certification System
Certified as a Park Supporter in Matsuyama City
Established Dongfeng Iseki Agricultural Machinery (Hubei) Co., Ltd. in China.
Established PT. Iseki Indonesia in Indonesia
Public demonstration of electric tractor test drive (in Ehime Prefecture, in collaboration with Ehime University)
Established ITTC (ISEKI Technical Training Center) in Machikō, Matsuyama City, Ehime Prefecture
Established ISEKI SALES (THAILAND) CO., Ltd. in Thailand (now IST Farm Machinery Co., Ltd.)
Established Iseki Shusshin Manufacturing Co., Ltd. (a subsidiary)
Launch of the Dream Agriculture Women Support Project
Established ISEKI SALES (THAILAND) in Thailand.
From November 2013 (Heisei 25), we joined the Ministry of Agriculture, Forestry and Fisheries' "Agricultural Women Project" and launched the individual project "Dream-Filled Agricultural Women Support Project".
Acquisition of French sales agency Yvan Beal S.A.S and YB Holding S.A.S as subsidiaries (now ISEKI France Co., Ltd.)
Mass production commenced at PT. Iseki Indonesia
Business integration of Iseki Agricultural Machinery (Changzhou) Co., Ltd. into affiliated Dongfeng Iseki Agricultural Machinery Co., Ltd.
Launch of the Agrihero Support Project
Renovated opening of ISEKI Dream Gallery
Renovated opening of ISEKI Dream Gallery KUMAMOTO
We made the French dealer Ivan Beaul a subsidiary.
Established the Dream Agriculture Comprehensive Research Institute in Tsukubamirai City, Ibaraki Prefecture
Held the 90th Anniversary Iseki National Award Ceremony
Hosted the 1st Iseki Group Company-wide Skills Competition
Announced the tractor 'Shiro Puchi' as part of the Agriculture Women Project
Established ISEKI Dream Gallery NIIGATA.
Commercialized the small tractor "Shiro Puchi".
Launched sales of the NP8 model variable fertilization seed planter equipped with a soil sensor. Won the Excellence Award at the Robot Award.
Established IETC (Basic Design Technology Training Center) in Tobetsu Town, Iyo District, Ehime Prefecture.
Established ISEKI (THAILAND) CO., Ltd. in Thailand (integrated into IST Farm Machinery).
50th anniversary of the self-detaching combine Frontier.
Resumed production at the Kumamoto plant, halted due to the Kumamoto earthquake, and restarted ISEKI Kyushu sales activities.
Announced the tiller 'Choco Petit' as part of the Agricultural Women Project.
Commercialized the mini tiller "Choko Puchi".
Expanded and developed the Central Training Center to further globalize, and opened IGTC (ISEKI Global Training Center).
Announced the walking grass cutter 'Petit Mō' as part of the Agricultural Women Project.
Established the Iseki Group Alumni Association (Iseki Kokukai).
Renovated the main building exhibition floor of Tsukuba Mirai Office (integrated vegetable production system).
Expanded collaboration with Yanmar in the development and production of domestic agricultural machinery products.
Commercialized the walking grass cutter "Puchi Moa".
Entered a technical and business partnership with India's TAFE.
Iseki Matsuyama Plant merged with Iseki Kōei Plant.
Participated in the G20 Niigata Agriculture Ministers' Meeting.
ISEKI Kanto Inc. merged with ISEKI Shinetsu Inc. and changed its name to ISEKI Kanto Kō Shinetsu Inc. (now a consolidated subsidiary).
ISEKI Tokai Inc. merged with ISEKI Kansai Inc. and changed its name to ISEKI Kansai Chūbu Inc.
IST Farm Machinery Co., Ltd., a Thai sales company, was made a subsidiary.
Iseki China Inc. merged with Iseki Shikoku Inc. and changed its name to Iseki Chushikoku Inc. (now a consolidated subsidiary).
We have made the Thai sales company 'IST Farm Machinery Co., Ltd.' a subsidiary.
The agricultural solution portal site 'Amoni' was launched.
A business partnership was established with Organic Rice Design Co., Ltd. (now NEWGREEN).
The Green Innovation Office was newly established.
Formulation of the long-term vision 'Solution Company of Food, Agriculture, and Earth' and review of the basic philosophy.
Iseki Kansai Chubu Inc. merged with Iseki Hokuriku Inc. (now a consolidated subsidiary).
The Ikenaga Group's long-term vision is to be a 'solution company for food, agriculture, and land', supporting dreamlike agriculture and beautiful landscapes, and creating a sustainable future for 'food, agriculture, and land'.
German sales agency Iseki-Maschinen GmbH was made a subsidiary.
Iseki Group environmental vision was formulated and the basic environmental policy was reviewed.
A capital and business partnership was concluded with Organic Rice Design Co., Ltd.
Statement of support for the TCFD recommendations.
Announcement of the electric mower (SXGE2 model).
We have made the German agency 'ISEKI Germany Co., Ltd.' a subsidiary.
We have formulated an environmental vision and aim to achieve a carbon‑neutral, sustainable society by 2050, and are undertaking sustainability initiatives.
We have strengthened our environmental efforts by formulating an environmental vision and supporting the TCFD recommendations.
Sales of the Aigamoro (automatic weed control robot) began.
A cogeneration system was introduced at Iseki Matsuyama Plant (now ISEKI M&D Matsuyama).
We sell the Aigamo Robot.
Iseki Matsuyama Plant merged with Iseki Kumamoto Plant and changed its name to ISEKI M&D.
A capital and business partnership was concluded with Watercell Co., Ltd.
Iseki Kansai Chubu Inc. merged with five domestic wide-area sales companies and Mie Iseki Sales Company and changed its name to ISEKI Japan.
Celebrated its 100th anniversary.
Ishikawa Agricultural Machinery Co., Ltd. participated as a judge at the award ceremony of the 85th Ehime Prefecture Children and Student Invention and Innovation Exhibition held at the Ehime Prefectural Office on October 29, 2026, and presented the Ishikawa Prize. The winning entry was a self-operating life jacket by Sōsuke Ninomiya.
The Isekai Group will hold the "Sanae Club Agricultural Machinery Exhibition Tour in Fukuoka" on November 13, 2026, targeting female farmers. Sanae Club members will guide participants through the latest agricultural machinery and related products, and will also conduct assist-suit experience and beginner maintenance lessons. The venue is local produce Kurume, admission is free, and the application deadline is November 6.
Iseki Shigen Manufacturing Co., Ltd. participated in the 'Jūshin River Clean-up Operation' organized by the Jūshin River Nature Nurturing Association's secretariat, carrying out activities such as picking up river litter. This year, the 38th edition, saw about 170 participants from the watershed, with 11 volunteers from the company joining. The ISEKI Group is committed to environmental conservation and employee environmental education, contributing to the sustainable development of the local community.
This notice informs about the announcement of the results of the San'ae National Children's Drawing Competition. Further details are available via the provided link.
Iseki will hold an online seminar on November 24, 2026, focusing on the J-Credit Scheme. The seminar will explain the relationship between agriculture and environmental sustainability, along with specific initiatives, to deepen participants' understanding.
Iseki & Co., Ltd. mows the grass and carries out cleanup work at Shiroyama Park in Matsuyama, contributing to the area's upkeep. The company has served as a Park Supporter since 2011, maintaining the green space with equipment including ride-on mowers.
Iseki & Co., Ltd. received an award from the Japan Road Association for its cooperation in road projects and continued sidewalk cleanups in the community. Its activities, ongoing since 2011, were highly commended, and the company said it will continue contributing to the community.
Iseki Agricultural Machinery was featured in the serialized project "Design a Life: Women Who Till" by the Japan Agricultural Newspaper, introducing the Sanae Club members. The article discusses the members' activities, the Agricultural Women Project, and messages to the next generation of women. The company plans to continue supporting and promoting activities for women farmers.
Iseki Agricultural Machinery Co., Ltd. conducts mowing and cleaning activities at Shigenobu River Green Space in Matsuyama City, contributing to regional green space management. The company has been active as a "Matsuyama City Park Supporter" since 2011, using riding mowers and brush cutters to promote beautification.
Iseki Agricultural Machinery Co., Ltd. continues to contribute to the local community by participating in beach cleanup activities at Horie Coast in Matsuyama City on July 17, 2026, as part of Ehime Prefecture's "Ai Beach System".