| 1957(S.32) |
Established the Taisei Kogyo Co., Ltd. in Kanda-Matsunaga, Chiyoda, Tokyo. Launched the filter production and sales with 1 million yen of capital. |
| 1960(S.35) |
Moved the head office to Tokiwadai, Tokyo. Launched the design and production of the filter and oil cooler for the compressor mainly for the IHI. |
| 1961(S.36) |
Moved the head office to Wakagi, Itabashi, Tokyo. Established new office building and expanded production equipment. Launched development of the new product. Implemented a capital increase for new production equipment to 2 million yen of capital. |
| 1970(S.45) |
Purchased land in Minami-Nasu, Tochigi, for filter and oil cooler production plant establishment. |
| 1971(S.46) |
Completed the Utsunomiya Plant with the cutting-edge machines provided, which resulted in establishing the hydraulic oil filter and oil cooler full-scale production system. Implemented a capital increase for prior investment to 12 million yen of capital. |
| 1979(S.54) |
Established the distribution center in Nishidai, Itabashi, Tokyo. Implemented a capital increase to 45 million yen of capital. |
| 1988(S.63) |
Started Introducing of computer assist sales management system (Fujitsu FACOM) and completed in 1991. |
| 1991(H. 3) |
Established the Kita-Ibaragi Plant with the cutting-edge robots provided for filter auto production line in Kita-Ibaragi, Ibaragi. Completed the total production line in cooperation with the Utsunomiya Plant. |
| 1993(H. 5) |
Added the New Product Development Plant to the Kita-Ibaragi Plant. The founder Umino Mukai appointed as Chairman and Akio Mukai appointed as president. |
| 1997(H. 9) |
Established the cooler fin tube production Division in the Utsunomiya Plant for expansion of production. Started introduction of new computer assist sales management system. |
| 1998(H.10) |
Obtained ISO-9001 certificate (head office and the Utsunomiya Plant). Launched development of a new sales management system FINEST. |
| 2000(H.12) |
Established a homepage on the Web (www.taiseikogyo.co.jp). |
| 2001(H.13) |
Obtained ISO-9001 certificate (Kita-Ibaragi Plant). |
| 2004(H.16) |
A subsidiary was established in China to manufacture our standard products. Obtained ISO-14001 certificate (head office and the Plant). |
| 2005(H.17) |
The president Akio Mukai appointed as Chairman and Yasuo Mukai appointed as president. |
| 2006 (H.18) |
Distribution Center was established in Tsukuba, Ibaragi to strengthen logistics, and the R&D Center was built, reinforcing the Research and Development Division. |
| 2007 (H.19) |
The founder Umio Mukai left the post of representative director and adviser to be appointed as adviser. |
