| 1973-03 |
Established AIRTECH JAPAN, LTD. in Roppongi, Minato-ku, Tokyo for the purpose of manufacturing and selling air purification equipment. |
| 1973-03 |
Established Japan Air Tech Co., Ltd. in Roppongi, Minato-ku, Tokyo, for the purpose of manufacturing and selling air purifiers. |
| 1974-03 |
Completed standard clean bench. Simultaneously developed low-noise fan (LNF-1). |
| 1974-03 |
Completed standard type clean bench. Simultaneously developed low noise fan (LNF-1). |
| 1975-02 |
Started manufacturing many clean air system products including air shower devices. |
| 1975-02 |
Started manufacturing many clean air system products including air shower devices. |
| 1976-12 |
Built new Soka factory in Soka City, Saitama Prefecture. |
| 1976-12 |
Established a new grass processing plant in Saitama Prefecture, Soka City. |
| 1978-03 |
Established Osaka sales office in Oyodo-ku (now Kita-ku), Osaka City. |
| 1978-03 |
Established Osaka Sales Office in Osaka City, Oyodo Ward (currently Kita Ward). |
| 1979-01 |
Took a stake in Tech Co., Ltd. and Air Engineering Co., Ltd. when they were established, which provide installation services for our products. |
| 1979-01 |
Participated in capital investment at Tech Co., Ltd. and Air Engineering Co., Ltd., which provide installation services for our products. |
| 1983-06 |
Established Clean Supply Department for dust-free cleaning of dust-free clothing and sales of various wipers. |
| 1983-06 |
Established Clean Supply Department for the purpose of dust-free laundry cleaning and sales of various wipers. |
| 1984-02 |
Installed dust-free laundry equipment for cleaning and developed dust-free clothing cleaning. |
| 1984-02 |
Installed dust-free laundry equipment for cleaning and developed dust-free clothing cleaning. |
| 1984-05 |
Relocated head office to Higashi Ueno, Taito-ku, Tokyo. |
| 1984-05 |
Relocated headquarters to Higashi-Ueno, Taito City, Tokyo. |
| 1984-09 |
Established AIRTECH EQUIPMENT PTE., LTD jointly with UTOPIA-AIR PTE., LTD. (Singapore) in Singapore. |
| 1984-09 |
Established UTOPIA-AIR PTE., LTD. (Singapore) and AIRTECH EQUIPMENT PTE., LTD. through joint ventures in Singapore. |
| 1985-01 |
Concluded clean air technology licensing agreement with AIRTECH EQUIPMENT PTE., LTD. |
| 1985-01 |
Signed a technology transfer agreement for clean air technology with AIRTECH EQUIPMENT PTE., LTD. |
| 1986-01 |
Separated and independently established Clean Supply Co., Ltd. from Clean Supply Department. |
| 1986-01 |
Separated and established Clean Supply Co., Ltd. as an independent company. |
| 1987-02 |
Established Fukuoka branch office (now Fukuoka sales office) in Minami-ku, Fukuoka City. |
| 1987-02 |
Established Fukuoka Branch (currently Fukuoka Sales Office) in Minami Ward, Fukuoka City. |
| 1987-06 |
Established Sendai sales office in Aoba-ku, Sendai City. |
| 1987-06 |
Established Sendai Sales Office in Aoba Ward, Sendai City. |
| 1987-09 |
Developed SS-MAC series, garment stockers, LC type HEPA units, clean dust boxes, etc. |
| 1987-09 |
Developed SS-MAC series, Garment Stocker, LC-type HEPA units, and Clean Dust Box, etc. |
| 1989-07 |
Merged Clean Supply Co., Ltd. |
| 1989-07 |
Merged with Clean Supply Co., Ltd. |
| 1990-04 |
Established AIRTECH SYSTEM CO., LTD. jointly with Ying Jie Air Conditioning Machinery Co. (Taiwan) in Taiwan. |
| 1990-04 |
Established Fuyukai Air Conditioning Machinery Co., Ltd. in Taiwan through joint venture with Yingjie Air Conditioning Machinery Co., Ltd. (Taiwan). |
| 1990-05 |
Concluded clean air technology licensing agreement with AIRTECH SYSTEM CO., LTD. |
| 1990-05 |
Signed a technology transfer agreement for clean air technology with Fuyukai Air Conditioning Technology Co., Ltd. |
| 1991-11 |
Newly registered as Japan Securities Dealers Association over-the-counter trading issue. |
| 1991-11 |
Registered as a new over-the-counter stock with the Japan Securities Dealers Association. |
| 1992-02 |
Established Okabe Tech Co., Ltd. jointly with Okabe Industry Co., Ltd. |
| 1992-02 |
Established Okabe Tech Co., Ltd. through joint venture with Okabe Industries Co., Ltd. |
| 1992-09 |
Built new Gunma factory in Akabori Town (now Isesaki City), Sawa District, Gunma Prefecture, and leased it to Okabe Tech Co., Ltd. |
| 1992-09 |
Established Gunma Factory in Akabori Town, Sawa District, Gunma Prefecture (now Isesaki City), and leased it to Okabe Tech Co., Ltd. |
| 1994-03 |
Established Suzhou Antai Airtech Co., Ltd. jointly with China Suzhou Purification Equipment Co., Ltd. and three other companies in Suzhou City, Jiangsu Province, China. Concluded clean air technology licensing agreement with Suzhou Antai Airtech Co., Ltd. |
| 1994-03 |
Established Suzhou An Tai Air Technology Co., Ltd. and three other companies in Suzhou, Jiangsu Province, China, through joint ventures, and signed a technology transfer agreement for clean air technology. |
| 1994-11 |
Established Nagoya sales office in Nakamura-ku, Nagoya City. |
| 1994-11 |
Established Nagoya Sales Office in Nakamura Ward, Nagoya City. |
| 1995-07 |
Established AIRTECH INTERNATIONAL MANUFACTURING, INC., a clean air product manufacturing subsidiary in Hillsboro, Oregon, USA. |
| 1995-07 |
Established a subsidiary AIRTECH INTERNATIONAL MANUFACTURING, INC. in Hillsboro, Oregon, USA for manufacturing clean air products |
| 1995-09 |
Started in-house production of high-performance filters (HEPA). |
| 1995-09 |
Started in-house production of high-performance filters (HEPA) |
| 1996-02 |
Started manufacturing and selling household air purifiers Aerocare. |
| 1996-02 |
Started manufacturing and sales of household air purifiers AeroCare |
| 1996-05 |
Concluded clean air technology licensing agreement with AIRTECH INTERNATIONAL MANUFACTURING, INC. |
| 1996-05 |
Signed a technology licensing agreement with AIRTECH INTERNATIONAL MANUFACTURING, INC. |
| 1997-07 |
Listed stock on the Second Section of Tokyo Stock Exchange. |
| 1997-07 |
Listed shares on the Second Section of the Tokyo Stock Exchange |
| 1997-08 |
Built and relocated to head office building in Iriya, Taito-ku, Tokyo. |
| 1997-08 |
Built and relocated headquarters building in Iriya, Taito-ku, Tokyo |
| 1998-03 |
Merged Okabe Tech Co., Ltd., established as our Gunma factory. |
| 1998-03 |
Absorbed and merged with Okabe Tech Co., Ltd., established as our Gunma factory |
| 1998-09 |
Established Suzhou Huatai Air Filter Co., Ltd. jointly with China Wuxian Purification Equipment Co. and Suzhou Purification Equipment Co., Ltd. in Wuxian City, Jiangsu Province, China, and concluded air filter technology licensing agreement. |
| 1998-09 |
Established joint ventures with Wu Xuan City, Jiangsu Province, China, including Wu Jing Purification Equipment Company and Suzhou Purification Equipment Co., Ltd., and signed a technology licensing agreement for air filters |
| 2000-09 |
Liquidated subsidiary AIRTECH INTERNATIONAL MANUFACTURING, INC. |
| 2000-09 |
Streamlined and liquidated subsidiary AIRTECH INTERNATIONAL MANUFACTURING, INC. |
| 2001-03 |
Built research building in Soka factory and established research institute. |
| 2001-03 |
Constructed a research building within the grass processing plant and established a research institute |
| 2002-03 |
Established Suzhou Futai Clean System Co., Ltd. jointly with Suzhou Industrial Park Antai Air Conditioning Purification Technology Co., Ltd. and AIRTECH SYSTEM CO., LTD. in Suzhou Industrial Park, Suzhou City, Jiangsu Province, China. |
| 2002-03 |
Established joint ventures with Suzhou Industrial Park, Jiangsu Province, China, including Suzhou Antai Air Purification Technology Co., Ltd. and Futai Air Conditioning Technology Co., Ltd., forming Suzhou Futai Purification System Co., Ltd. |
| 2003-10 |
Built sheet metal factory in Gunma factory. |
| 2003-10 |
Built a can manufacturing plant within the Gunma factory |
| 2004-03 |
Concluded clean air equipment technology licensing agreement with Korea’s WOOLEE company. Changed WOOLEE company name to WOOLEE AIRTECH KOREA CO., LTD. |
| 2004-03 |
Established Hiroshima sales office in Minami-ku, Hiroshima City. |
| 2004-03 |
Signed a technology licensing agreement for clean air equipment with WOOLEE in Korea. Changed the company name to WOOLEE AIRTECH KOREA CO., LTD. |
| 2004-03 |
Established Hiroshima Sales Office in Minami-ku, Hiroshima City |
| 2004-03 |
Established Hiroshima sales office in Minami-ku, Hiroshima City, Hiroshima Prefecture. |
| 2004-12 |
Established Minami Kyushu sales office in Kokubu City, Kagoshima Prefecture. |
| 2004-12 |
Established South Kyushu Sales Office in Kokubu City, Kagoshima Prefecture |
| 2005-06 |
Designated as Tokyo Stock Exchange First Section issue. |
| 2005-06 |
Designated as a First Section stock on the Tokyo Stock Exchange |
| 2006-06 |
Built new Kazo factory in Kazo City, Saitama Prefecture (Kazo Shimotakayanagi Industrial Park). |
| 2006-06 |
Established Kazo Factory in Kazo City, Saitama Prefecture (Kazo Shimotakayanagi Industrial Park) |
| 2007-04 |
Concluded clean air equipment technology licensing agreement with India’s PYRAMID AIRTECH PVT. LTD. |
| 2007-04 |
Signed a technology licensing agreement for clean air equipment with PYRAMID AIRTECH PVT. LTD. in India |
| 2008-03 |
Transferred rights of Suzhou Futai Clean System Co., Ltd. in Suzhou City, Jiangsu Province, China to local corporation and dissolved joint venture agreement with the company. |
| 2008-03 |
Transferred rights of Suzhou Futai Purification System Co., Ltd. in Jiangsu Province, China, to a local subsidiary and dissolved the joint venture agreement |
| 2008-10 |
Purchased land and building adjacent to Soka factory and established service center. |
| 2008-10 |
Purchased land and buildings adjacent to the grass processing plant to establish a service center |
| 2011-06 |
Transferred rights of Suzhou Huatai Air Filter Co., Ltd. in Suzhou City, Jiangsu Province, China to local corporation and dissolved joint venture agreement and technology licensing agreement with the company. |
| 2011-06 |
Transferred the rights of Suzhou Huatai Air Filter Co., Ltd. in Jiangsu Province, China to a local subsidiary, and dissolved the joint venture and technology licensing agreements with the company. |
| 2011-12 |
Established Hokuriku sales office in Toyama City, Toyama Prefecture. |
| 2011-12 |
Established Hokuriku Sales Office in Toyama City, Toyama Prefecture. |
| 2014-03 |
Installed powder coating equipment in Gunma factory and started in-house coating. |
| 2014-03 |
Set up powder coating equipment at the Gunma factory and started in-house painting. |
| 2014-06 |
Built new building in Gunma factory. |
| 2014-06 |
Constructed a new building within the Gunma factory. |
| 2015-11 |
Concluded mutual product sales partnership agreement with PEA GMBH (Germany). |
| 2015-11 |
Concluded a sales partnership agreement for mutual products with PEA GMBH (Germany). |
| 2016-01 |
Concluded clean air technology licensing agreement with THELONG INTERNATIONAL TECHNOLOGY CO., LTD. (Vietnam), changed company name to THELONG AIRTECH JOINT STOCK COMPANY. |
| 2016-01 |
Signed a technology transfer agreement for clean air with THELONG INTERNATIONAL TECHNOLOGY CO., LTD. (Vietnam), and changed the company name to THELONG AIRTECH JOINT STOCK COMPANY. |
| 2016-01 |
After concluding clean air technology licensing agreement with THELONG INTERNATIONAL TECHNOLOGY CO., LTD. (Vietnam), changed company name to THELONG AIRTECH JOINT STOCK COMPANY. |
| 2017-06 |
Built assembly factory in Kazo factory. |
| 2017-06 |
Built an assembly plant within the Kazo factory. |
| 2017-12 |
Purchased land adjacent to head office. |
| 2017-12 |
Purchased land adjacent to the headquarters. |
| 2018-08 |
Concluded clean air system technology licensing agreement with HEMAIR SYSTEMS INDIA LIMITED (India). |
| 2018-08 |
Concluded a technology transfer agreement for clean air systems with HEMAIR SYSTEMS INDIA LIMITED (India). |
| 2019-11 |
Purchased land in Koshigaya City, Saitama Prefecture. |
| 2019-11 |
Purchased land in Koshigaya City, Saitama Prefecture. |
| 2020-12 |
Completed head office expansion. |
| 2020-12 |
Completed the expansion of the headquarters. |
| 2021-01 |
Completed Koshigaya factory. |
| 2021-01 |
Completed Koshigaya Factory. |
| 2021-06 |
Purchased land for filter factory in Kiryu City, Gunma Prefecture. |
| 2021-06 |
Purchased land for a filter factory in Kiryu City, Gunma Prefecture. |
| 2022-04 |
Listed on Tokyo Stock Exchange Prime Market. |
| 2022-04 |
Listed on the Tokyo Stock Exchange Prime Market. |
| 2022-08 |
Completed Akagi Smart Factory in Kiryu City, Gunma Prefecture. Changed Gunma factory name to Isesaki factory. |
| 2022-08 |
Completed Akagi Smart Factory in Kiryu City, Gunma Prefecture. Renamed Gunma Factory to Isesaki Factory. |
| 2023-01 |
Established Kumamoto branch office (sales and logistics warehouse) in Higashi-ku, Kumamoto City. |
| 2023-01 |
Established Kumamoto Branch Office (sales and logistics warehouse) in Higashi-ku, Kumamoto City. |
| 2023-04 |
Established Shizuoka branch office and Shizuoka service center in Fuji City, Shizuoka Prefecture. |
| 2023-04 |
Established Shizuoka Branch Office and Shizuoka Service Center in Fuji City, Shizuoka Prefecture. |
| 2023-10 |
Moved to Tokyo Stock Exchange Standard Market. |
| 2023-10 |
Transitioned to the Tokyo Stock Exchange Standard Market. |
| 2024-11 |
Completed Soka Multi-purpose Center in Soka City, Saitama Prefecture. |
| 2024-11 |
Completed Soka Multi-purpose Center in Soka City, Saitama Prefecture. |
| 2025-03 |
Established Hokkaido branch office and Hokkaido service center in Sapporo City, Hokkaido. |
| 2025-03 |
Established Hokkaido Branch Office and Hokkaido Service Center in Sapporo City, Hokkaido. |
