Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12113457 | Electric-power converter | Issei FUKASAWA | 2024-10-08 |
| 11942876 | Power conversion device | Yoshihiro TAWADA | 2024-03-26 |
| 11364546 | Chuck apparatus | Kazuo Sakamaki, Koji Sakamaki, Tadashi Taniguchi | 2022-06-21 |
| 7845428 | Rotating tool | Kazuo Sakamaki, Akira Sakamaki, Tadashi Taniguchi | 2010-12-07 |