| Mar., 1937 |
Nagoya Branch Office of Fushiman Seisakusho Co., Ltd. was established. |
| Feb., 1944 |
Nagoya plant of Fushiman Seisakusho Co., Ltd. was established. |
| Jan., 1948 |
Corporate name was changed to Yoshitake Works, Ltd. |
| Mar., 1953 |
Tokyo Sales Office was established. |
| May., 1965 |
Osaka Sales Office was established. |
| Sep., 1970 |
Head-office Plant was reconstructed and Head-office 3rd Plant was newly established. |
| Oct., 1972 |
Hiroshima Sales Office and Fukuoka Sales Office were established. |
| Sep., 1973 |
Sendai Sales Office was established. |
| Mar., 1974 |
Sapporo Sales Office was established. |
| Sep., 1975 |
The company was accredited by Japan Water Works Association. |
| Jul., 1978 |
The company was certified as an inspection plant by Japan Water Works Association. |
| Jun., 1979 |
Komaki Delivery Center was newly established. |
| Oct., 1979 |
Nagoya Sales Office was established. |
| Jul., 1980 |
The plant was authorized to indicate the certificate number of JIS B 8410. |
| Jun., 1982 |
Shizuoka Sales Office was established. |
| Dec., 1982 |
The Head-office building was completed. |
| Jun., 1983 |
The plant was authorized to indicate the certificate number of JIS B 8414. |
| Oct., 1984 |
A new factory was built at the site of Komaki Delivery Center, and the name of the center was changed to Komaki Plant. |
| Sep., 1985 |
Mutual agency agreement with ARMSTRONG INTERNATIONAL INC. in America was concluded. |
| Oct., 1985 |
The amalgamated company named YOSHITAKE-ARMSTRONG, LTD. was established in Japan. |
| Oct., 1985 |
The joint venture company named ARMSTRONG-YOSHITAKE, INC. was established in America. |
| Feb., 1988 |
Technical Seminar Center (TSC) was newly established at the site of Komaki plant. |
| Aug., 1989 |
THAI YOSHITAKE CO.,LTD. was established as an affiliated company in Thailand. |
| Jun., 1990 |
Capital participation in EVERLASTING VALVE COMPANY,INC. in America was conducted. |
| Jul., 1990 |
Corporate name was changed to Yoshitake Inc. |
| Oct., 1990 |
Over-the-counter trading for Yoshitake stocks was started.(JASDAQ) |
| Apr., 1995 |
Komaki Plant acquired the certificate of ISO 9001. |
| Apr., 1996 |
YOSHITAKE WORKS (THAILAND) LTD. was established as an affiliated company in Thailand. |
| Jun., 1999 |
All the business offices of Yoshitake Inc. acquired ISO9001. |
| Sep., 2000 |
All the business offices of Yoshitake Inc. acquired ISO14001. |
| Mar., 2002 |
Two affiliated companies in Thailand were merged into YOSHITAKE WORKS (THAILAND) LTD. |
| Apr., 2002 |
Yoshitake Inc. acquired a Certificate of CE Marking Conformance. |
| May., 2003 |
The Head-office Plant was integrated into Komaki Plant. |
| Aug., 2003 |
Komaki Plant re-acquired the authorization to indicate its conformance to Japanese Industrial Standards (B8402/8410/8414). |
| Apr., 2006 |
Acquisition of KAWAKI MEASURING INSTRUMENT Co., LTD (100%-owned subsidiary). |
| Feb., 2008 |
Certified "Aichi Quality Company" by Aichi Prefecture. |
| Jun., 2008 |
Yoshitake Inc. acquired a manufacturing license of safety valves for China. |
| Oct., 2016 |
Hokuriku Sales Office was established. |
| Feb., 2020 |
Yoshitake Inc. switched to EMS Self-declaration instead of ISO14001. |
| Feb., 2022 |
Head Office moved to Showa-ku, Nagoya. |