Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11788583 | Clutch device and motorcycle | Jun Komukai, Satoshi Ota | 2023-10-17 |
| 11359678 | Power transmission device | Katsu Yoshimoto, Han Hiong Chen, Yoshihiko Ozawa | 2022-06-14 |
| 11149799 | Power transmission device | Katsu Yoshimoto, Han Hiong Chen, Yoshihiko Ozawa | 2021-10-19 |
| 10781865 | Power transmitting apparatus | Kenichiro Isobe, Naoki Kishimoto, Yuki Kobayashi | 2020-09-22 |
| 5592442 | Watch having a sensor | Tomomi Murakami, Nobuyuki Uehara | 1997-01-07 |
| 4785982 | Watch case and band attachment structure | Michihiro Iwamura, Eiichi Kitabayashi, Masataka Matsumoto, Toshio Murata, Tadao Enomoto | 1988-11-22 |
| 4626107 | Structure of rotating mechanism for watch case | Yutaka Shoji | 1986-12-02 |