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| エムエス工業株式会社 | ||||||||
| ダイハツインフィニアースグループ | ||||||||
| Daihatsu Infinia Shikoku Co., Ltd. | ||||||||
| Daihatsu InfiniEarth East Japan Co., Ltd. | ||||||||
| ダイハツインフィニアース梅田シティ株式会社 | ||||||||
| Daihatsu Infiniar Parts Service Co., Ltd. | ||||||||
| Daihatsu Diesel Co., Ltd. | ||||||||
| ディーエス商事株式会社 | ||||||||
| Shinto Industries Co., Ltd. Ishinomaki | ||||||||
| Daiichi Tech Corporation |
Founded as 'Engine Manufacturing Co., Ltd.' in Kita-ku, Osaka City, with the purpose of manufacturing internal combustion engines, and produced the first intake gas engine.
As part of the industrial revolution, the Motor Manufacturing Co., Ltd. was established in Ooyodo Naka, Kita-ku, Osaka City with the aim of domesticating engines.
Founded.
Started manufacturing a small 3-horsepower ultra-diesel engine and domesticated a small special engine from R.M. Bitt Co. in Chicago, USA.
Commenced production of a 3-horsepower ultra-diesel engine.
Domestic production of Japan's first train door closing device.
Domesticated Japan's first train door closing mechanism.
Completed and patented a rack and pinion type door check.
Completed rack-and-pinion style door check (patent obtained).
Renamed Engine Manufacturing Co., Ltd. to Daihatsu Motor Co., Ltd.
Renamed the company to DAIHATSU KOGYO Co., Ltd.
Separated Daihatsu Motor Co., Ltd. Osaka Division and established Daihatsu Diesel Co., Ltd.
Established DAIHATSU DIESEL Co., Ltd.
Established.
Established Nagasaki Marine Service Co., Ltd. as a sales agent for internal combustion engines in Kyushu.
Established Nagasaki Marine Service Co., Ltd. (now DAIHATSU INFINEARTH West Japan Co., Ltd.).
Started operation of Moriyama Factory (Shiga Prefecture).
Commenced operations at the first Muroyama factory.
Merged the company to change the face value of shares.
Established Daihatsu Diesel Imabari Service Co., Ltd. as a sales agent for internal combustion engines in Shikoku.
Changed the par value of shares due to company merger.
Moriyama Factory and obtained permission from the Minister of Transport for the display of Japanese Industrial Standards for marine 4-cycle diesel main engines.
Muroyama factory obtained approval from the Minister of Transport for the Japanese Industrial Standards designation of the 4-cycle diesel main engine for marine use.
Established Central Japan DAIHATSU DIESEL Sales Co., Ltd. as a distributor of internal combustion engines in the Kinki, Chūbu, and San'in regions.
Established Chukoku Japan DAIHATSU DIESEL Sales Co., Ltd.
Listed shares on the Second Section of the Osaka Stock Exchange.
Listed shares on the Second Section of the Osaka Stock Exchange.
Commenced operations at the Moriya Second Factory (Shiga Prefecture).
Established East Japan DAIHATSU DIESEL Sales Co., Ltd. as a distributor of internal combustion engines in the Kanto, Tohoku, and Hokkaido regions.
Commenced operations at the second Muroyama factory.
Established DAIHATSU DIESEL (U.S.A.), INC. as a general distributor for North and Central America.
Established DAIHATSU DIESEL (U.S.A.) Inc. in the United States (now DAIHATSU INFINEARTH (AMERICA) Inc.).
Established DAIHATSU DIESEL Transport Co., Ltd. for the purpose of painting, packaging, and shipping internal combustion engines.
Established DAIHATSU DIESEL Transport Co., Ltd. (now DS Trading Co., Ltd.).
Entered into a technology transfer partnership with China Shipbuilding Company.
Entered a technology transfer partnership with China Shipbuilding Industry Company.
Established DAIHATSU DIESEL (SINGAPORE) PTE. LTD. as the general sales agent for Asia in Singapore.
Established DAIHATSU DEISEL (SINGAPORE) Pte. Ltd. in Singapore (now DAIHATSU INFINEARTH (ASIA PACIFIC) Pte. Ltd.).
Constructed a parts center and research factory at the Moriya Second Factory.
Built a parts center and research factory at the second Muroyama factory.
Established DAIHATSU DIESEL (EUROPE) LTD. as the general sales agent for Europe in the United Kingdom.
Established DAIHATSU DIESEL (EUROPE) Ltd. in the United Kingdom (now DAIHATSU INFINEARTH (EUROPE) Ltd.).
Commenced manufacturing and sales of gas turbine power generators (TX series).
Manufacturing and sales of gas turbine power generation units (TX series) commenced.
Established D.D. Parts Service Co., Ltd. as a parts sales company in the Kinki region.
Established DD Parts Service Co., Ltd.
Constructed a precision machinery mechatronics factory at the second Shuyama plant and began production.
Completed the aluminum product factory at the Moriya Second Factory.
Completed an aluminum product factory at the second Shuyama plant.
Construction of New Umeda City and relocation of headquarters: Moved headquarters from Kita-ku, Osaka to Chuo-ku, Osaka. The former Osaka factory site was sold to Sekisui House, Ltd., and the adjacent sites of Toshiba Corporation and Aoki Construction Co., Ltd. were combined into a development plan. Our company decided to participate in this project and began construction in March 1990 (Heisei 2). The project was named New Umeda City and was completed in spring 1993 (Heisei 5). As a result of participating in this project, the headquarters was relocated to Tokui-cho, Chuo-ku, Osaka in September 1990 (Heisei 2).
Moved headquarters from Kita-ku, Osaka City to Chuo-ku, Osaka City.
Established DAIHATSU DIESEL Umeda City Co., Ltd. (now DAIHATSU INFINIA Umeda City Co., Ltd., a consolidated subsidiary) to undertake redevelopment of the former headquarters site with Sekisui House, Ltd. and two other companies, and commenced leasing office space and parking lot operations.
Established Daihatsu Diesel Umeda City Co., Ltd.
Commenced manufacturing and sales of high-output diesel engines (DK-20, 28) series.
Commenced manufacturing and sales of high-output diesel engines (DK-20, 28) series.
Completion of the jointly developed "Umeda Sky Building" on the former headquarters site.
Umeda Sky Building completed.
Established a Shanghai office in China.
Opened a Shanghai office in China.
Obtained ISO9001 certification: In January 1994 (Heisei 6), the headquarters and Moriya factory received ISO9001 certification from LRQA (International Organization for Standardization: quality system standard).
Obtained ISO 9001 certification.
Commenced manufacturing and sales of the company's highest-output engine (12DK-36).
Commenced manufacturing and sales of the maximum output engine (12DK-36).
Development of L-shaped vertical-axis gas turbine for pump drive.
Developed a vertical-axis gas turbine for pump drive.
Signed a sales agreement for small gas turbines with Toyota Turbine & System Co., Ltd.
Signed a sales agreement for small gas turbines with Toyota Turbine and System.
Established DAIHATSU DIESEL (SHANGHAI) CO., LTD. (now DAIHATSU INFINEARTH (SHANGHAI) CO., LTD., a consolidated subsidiary) as the general sales agent in China.
Established DAIHATSU DIESEL (SHANGHAI) CO., LTD. in China.
Started sales of food waste treatment equipment. Obtained ISO14001 certification at the Moriya plant. Entering the 21st century, the company worked on environmentally responsive engines and related products, commercialized ultra-low NOx continuous gas turbines, and adopted a new type of food waste treatment device (product name: Outstanding Soil Return) that uses a Japanese first NON-Bacteria System (organic matter decomposition without bacteria) as an environmental product, thereby entering the environmental business field. Additionally, ISO14001 certification was obtained at the Moriya plant.
Commenced sales of food waste treatment equipment. Obtained ISO 14001 certification.
Constructed a technology development center and a museum at Moriya First Plant.
Constructed a technology development center and museum at the first Shuyama plant.
Signed a technology partnership agreement on diesel engines with HSD Engine Co., Ltd. of South Korea.
Signed a technology partnership agreement for diesel engines with HSD Engine Co., Ltd. of South Korea.
Initiated development of a large diesel engine power generation system using DME (dimethyl ether) as fuel in collaboration with Nihon Kogyo Co., Ltd. (now JFE Engineering Co., Ltd.) and Iwatani Sangyo Co., Ltd.
Initiated development of a large diesel engine power generation system using DME as fuel.
Established a Taiwan office.
Opened a Taiwan office in Taiwan.
Commenced manufacturing and sales of the next-generation low-fuel-consumption diesel engine (DC-32).
Commenced manufacturing and sales of next-generation low fuel consumption diesel engines (DC-32).
Signed a technology partnership agreement on gas engines with Mitsui Shipbuilding Co., Ltd. (now Mitsui E&S Co., Ltd.).
Signed a technical cooperation agreement with Mitsui Shipbuilding regarding gas engines.
Umeda Sky Building: Moved headquarters from Chuo-ku, Osaka City to Kita-ku, Osaka City, relocating to the founding location of DAIHATSU (Motors Manufacturing Co., Ltd.) at 1-30-1, Naka-1-chome, Kita-ku, Osaka City (Umeda Sky Building Tower West). Operations began on July 19, 2005. In 1990, the headquarters had been moved to Tokui-cho, Chuo-ku, Osaka City during the construction and development of New Umeda City, but the long-cherished wish was finally realized.
Moved headquarters to Umeda Sky Building in Kita-ku, Osaka.
Obtained China Classification Society (CCS) factory certification at Moriya plant.
Obtained China Classification Society (CCS) factory certification at Moriya plant.
Achieved 30 million horsepower of diesel engine production.
Achieved 30 million horsepower of diesel engine production.
Established the joint venture DAIHATSU DIESEL ANQING IRONWORKS CO., LTD. through co-investment with Anqing Zhongchuan Diesel Co., Ltd.
Established a joint venture with Anqing Zhongchuan Diesel Co., Ltd.
Signed a technology partnership agreement on super clean marine diesel with the Japan Marine Industry Association.
Signed a technical cooperation agreement with the Japan Marine Engine Association regarding super clean marine diesel.
Research and Development Center: Constructed an R&D center at Moriya Second Plant. The R&D center was completed on May 26, 2008.
Completed construction of a research and development center at Moriya Second Plant.
NOx Secondary Regulation-Compliant Engine 6DK-20e: First shipment of the 6DK-20e engine, compliant with the IMO's second NOx regulation applicable to ships built after January 2011. The first unit (720 rpm, 670 kW) was shipped.
First shipment of the 6DK-20e engine, compliant with the second NOx regulation.
Signed a licensing agreement with Doosan Engine Co., Ltd. of South Korea.
Signed a technology partnership agreement with Alfa Diesel Co., Ltd. of Brazil.
Established the joint venture MD Engineering Co., Ltd. through co-investment with Mitsui Shipbuilding Co., Ltd. (now Mitsui E&S Co., Ltd.).
Held a product launch event for the environmentally compliant new engine models (DE-18, DE-23).
Signed a license agreement with India's Kirloskar Oil Engine Company.
Shipped the first unit of the environmentally friendly new engine DE-18.
Shipped the first unit of the environmentally friendly new engine DE-23.
Signed a license agreement with the Chinese technical partner of Mitsui Shipbuilding for the gas engine MD-G series.
Signed a license agreement with Brazil's Alfa Diesel.
Completed design of the marine SCR system lineup.
Changed listing market from Osaka Stock Exchange Second Section to Tokyo Stock Exchange Second Section.
Acquired shares of Japan Nodosu Precision Machinery Co., Ltd.
Established Daihatsu Diesel Himeji Co., Ltd. (now Daihatsu Infinia Himeji Co., Ltd.).
Received an order for maintenance support services for the next-generation engine monitoring system "C-MAXS LC-A" for marine auxiliary engines.
Shipped the first unit of the marine SCR system compliant with IMO NOx Phase III regulations.
Constructed a comprehensive building at Moriya First Plant.
First unit of dual-fuel engine (6DE28DF) shipped.
Himeji plant completed and commenced operations.
Moved from the Second Section of the Tokyo Stock Exchange to the Standard Market.
Company name changed to Daihatsu Infinease Co., Ltd.
Our company is advancing the development of methanol dual-fuel engines and plans to ship the first commercial unit in 2027. By incorporating a methanol boost pump into the engine, we have adopted a design that significantly reduces pressure from the fuel adjustment chamber to the engine. After evaluating safety measures, we obtained Approval in Principle (AiP) from the Japan Maritime Association and DNV.
On October 13, 2026, a groundbreaking ceremony was held at the planned construction site of the new logistics center in Miyasaki City, Shiga Prefecture, praying for the safety of the construction and the completion of the facility. The facility will be built adjacent to the Miyasaki First Factory site and is scheduled to commence operations in November 2028. It will introduce automated warehouses, transportation equipment, and warehouse management systems, aiming to strengthen the parts supply system and automate and improve logistics efficiency.
Daihatsu Infineous and Isuzu Motors, which is 100% owned by Isuzu Motors Engine Sales, have signed an OEM supply agreement for engines. They aim to strengthen their power solutions business for social infrastructure facilities.
Daihatsu Infineous Group has formulated the 'Customer Harassment Basic Policy' with the aim of building trust with stakeholders and creating and maintaining an environment where employees can work safely. The group is calling on stakeholders to understand and cooperate with the policy.
Daihatsu Infineous, WE Tech Solutions, and Mitsui & Co. signed a memorandum of understanding for strategic collaboration to promote decarbonization and electrification technologies in the maritime sector. The three companies will jointly explore business opportunities and market development, focusing on electric propulsion systems, energy storage systems, and shore power equipment.
Daihatsu Infineaus Co., Ltd. is accepting applications for the 2026 summer internship. There are various technical and administrative courses, and the program runs from June to September. Details for each course are provided on a dedicated page.
Daihatsu Infinity Corporation has been providing on-demand streaming of the 66th Annual General Meeting held on June 26, 2026, from July 22 to October 30, 2026. Viewing can be done from the shareholder meeting information page on the company's website.
The LNG bunkering vessel 'SETO AZURE', equipped with our dual-fuel engine '6DE23DF', commenced operations on April 9. It is scheduled to supply LNG fuel to ships via the Ship-to-Ship method primarily around Osaka Bay and the Seto Inland Sea. With three 6DE23DF engines installed as the main propulsion generators for electric propulsion, it can significantly reduce CO2 and other air pollutants during gas-mode operation.
On June 26, Daihatsu Infineas opened a fan site for individual investors. The company discontinued shareholder reports and will provide clear information useful for investment decisions, such as business content, growth strategy, and performance. Content to deepen understanding of products is also in preparation.
Daikatsu Infineas has introduced its in-house developed EMS at Moriya No.2 Factory and started optimizing the received power through optimal operation of solar power generation and battery storage. Using AI-based demand forecasting and solar generation forecasting, the battery is controlled to consume surplus power on-site and perform peak cutting. In the future, the EMS and redox flow batteries will be introduced at the Himeji Factory, and power optimization across all factories will be advanced.