| 1969-02 |
Eiken Industry Co., Ltd. was established at 37 Awaguro, Nakagun, Isehara City, Kanagawa Prefecture, with a capital of 6 million yen. Started manufacturing and sales of automotive filters. |
| 1971-10 |
Established Hamamatsu Factory in Hamaoka Town, Ogasawara District, Shizuoka Prefecture (current location). Developed manufacturing system for automotive oil filters. |
| 1972-03 |
Relocated headquarters to Hamaoka Town, Ogasawara District, Shizuoka Prefecture (current location). |
| 1972-07 |
Changed company name to Eiken Industry Co., Ltd. |
| 1973-03 |
Expanded press factory and installed large press line. |
| 1973-04 |
Established Eastern Eiken Co., Ltd. in Isehara City, Kanagawa Prefecture, with a capital of 5 million yen. |
| 1973-09 |
Acquired Japan Element Co., Ltd. |
| 1975-06 |
Constructed new headquarters office. |
| 1975-10 |
Opened branch in Kasugacho, Shizuoka City (current Aoi-ku, Shizuoka City). |
| 1976-01 |
Obtained manufacturing permit for gas appliances from the Ministry of International Trade and Industry, and expanded gas appliance manufacturing line. |
| 1976-04 |
Established Eiken Co., Ltd. in Kasugacho, Shizuoka City (current Aoi-ku, Shizuoka City), with a capital of 8 million yen. |
| 1976-04 |
Obtained manufacturing permission for gas appliances and others from the Ministry of International Trade and Industry, and expanded the manufacturing line for gas appliances |
| 1976-08 |
Established the company Aiken Co., Ltd. with capital of 8 million yen in Kasugacho, Shizuoka City (now Kasugacho, Aoi-ku, Shizuoka City). |
| 1978-08 |
Established Eiken Thermal Equipment Co., Ltd. at 1370 Kadoya, Hamaoka Town, Ogasawara District, Shizuoka Prefecture (current Omaezaki City, Kadoya 1370), with a capital of 20 million yen. Built new gas equipment assembly plant. |
| 1980-03 |
Eiken Thermal Equipment Co., Ltd. was dissolved due to management difficulties, and its claims and debts were assumed. |
| 1980-03 |
Changed the company name from "Japan Element Co., Ltd." to "Koshin Industry Co., Ltd." and relocated to 1789 Shimohirakawa, Ogasacho, Ogasagun, Shizuoka Prefecture (currently 1789 Shimohirakawa, Kikugawa City) |
| 1980-03 |
Established Aiken Heat Equipment Co., Ltd. with capital of 20 million yen at 1370 Monoya, Hamaoka Town, Ogasawara District, Shizuoka Prefecture (now 1370 Monoya, Misakizaki City). A new assembly plant for gas equipment was established. |
| 1984-06 |
Established a new technical building and secured a development system for new products |
| 1984-06 |
Changed the company name from Japan Element Co., Ltd. to Koshin Industrial Co., Ltd., and relocated to 1789 Shimohirakawa, Ogasawara Town, Ogasawara District, Shizuoka Prefecture (now 1789 Shimohirakawa, Kikugawa City). |
| 1985-12 |
Relocated Koshin Industry Co., Ltd. to Ikenoda, Hamaoka Town, Ogasagun, Shizuoka Prefecture (currently Ikenoda, Omaezaki City) |
| 1985-12 |
Established a new technical building and set up a new product development system. |
| 1987-12 |
Mr. Mie Kouno was appointed as President, and Mr. Minoru Horie was appointed as Chairman of the Board of Directors |
| 1987-12 |
Relocated Koshin Industrial Co., Ltd. to Ikenoda, Hamaoka Town, Ogasawara District, Shizuoka Prefecture (now Ikenoda, Misakizaki City). |
| 1989-07 |
Received certification from the Japan Gas Appliance Inspection Association as a designated factory for gas combustion appliance fittings |
| 1989-07 |
Mr. Mitsuru Kono was appointed as president, and Mr. Jitsuo Horie became chairman of the board. |
| 1992-10 |
Established a new press factory and streamlined the production line |
| 1992-10 |
Received certification as a designated factory for gas burner fittings from the Japan Gas Equipment Inspection Association. |
| 1992-12 |
Merged with Koshin Industry Co., Ltd. and established the Oyama Factory at the location of Koshin Industry Co., Ltd. Secured a production system for automotive fuel filters |
| 1992-12 |
Established a press plant and streamlined the production line. |
| 1994-11 |
Merged with Koshin Industrial Co., Ltd., opened the Oyama plant at the location, and established a production system for automotive fuel filters. |
| 1995-11 |
Merged with Toobu Aiken Co., Ltd., established the Isehara Factory as the founding site, and built a comprehensive system for automotive air filters |
| 1997-05 |
Merged with Aiken Co., Ltd. to streamline procurement operations |
| 1997-12 |
Registered stocks on the over-the-counter market with the Japan Securities Dealers Association |
| 1999-06 |
Built a new dormitory for singles |
| 2000-10 |
Obtained ISO 9001 certification |
| 2001-01 |
Expanded the assembly plant |
| 2001-02 |
Relocated the Oyama Factory to the head office factory |
| 2002-06 |
Received the Minister of Economy, Trade and Industry Award at the 2000 Energy Conservation Grand Prize |
| 2002-06 |
Received the Energy Conservation Award and the Chairman's Award of the Energy Conservation Center in fiscal year 2000. |
| 2003-12 |
Received the Technical Award from the Japan Gas Association |
| 2006-04 |
Integrated the Isehara Factory into the head office factory |
| 2007-09 |
Obtained ISO 14001 certification |
| 2010-04 |
Separated from the group by transferring shares of Pacific Industry Co., Ltd. |
| 2010-04 |
Following the merger of JASDAQ Securities Exchange Co., Ltd. and Osaka Securities Exchange Co., Ltd., listed shares on the Osaka Securities Exchange (JASDAQ market). |
