| 1885 |
Company founded as YAMAJUSEISHI |
 |
| 1931 |
Shoei Inc. established, 100% owned by The Yasuda Bank.
Operation of raw silk manufacturing commenced. |
| 1943 |
Factories and other facilities leased to Nihon Sanshi Seizo, a nationalized raw silk manufacturing company due to World War II; trade name changed to Shoei Kogyo.
Possession and use of real estate property, securities, and debentures added to business objectives. All stock of Yamato Optical Co., Ltd. purchased. |
| 1944 |
Yamato Optical Co., Ltd. merged with Seiki Kogyo Inc. to form Precision Optical Industry Co., Ltd. (currently Canon Inc.). |
| 1945 |
Meiwa Real Estate, Kushiro Tochi, and Marunouchi Kogyo purchased. |
| 1946 |
Due to the dissolution of Nihon Sanshi Seizo, all business establishments under lease were restituted and the raw silk manufacturing business was revitalized. |
| 1948 |
Trade name changed to The Shoei Silk Manufacturing Co., Ltd. |
| 1949 |
The Shoei Silk Manufacturing Co., Ltd. listed on the Tokyo Stock Exchange. |
| 1960 |
Reorganization and streamlining of raw silk manufacturing business started.
Manufacture of electronic components launched. |
| 1961 |
The Shoei Silk Manufacturing Co., Ltd. participated in the management of Iwate Hume Pipe Manufacturing Co., Ltd. |
| 1966 |
Ueda Plant switched to production of electrolytic capacitors. |
| 1969 |
Real estate business, including transactions and the allotment sales of land and buildings, added to business line. |
