Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10976641 | Blade driving device and optical apparatus | Takahito Yoshizawa | 2021-04-13 |
| D826307 | Interchangeable lens for camera | Takahito Yoshizawa | 2018-08-21 |
| 8783977 | Light-quantity control apparatus and optical apparatus | Satoshi Kozu, Naoki Kawakubo, Akira Kurosawa | 2014-07-22 |
| 5560815 | Electrolytic chromium plating method using trivalent chromium | Masao Sekimoto, Yukiei Matsumoto, Kyohei Kuroda, Takanobu Hayashi, Akio Nishi | 1996-10-01 |