Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10010991 | State measuring device and state measuring system | Eiji Takahashi, Kaname Araki, Masato Kannaka, Koyo Kegasa, Koichi Akazawa +2 more | 2018-07-03 |
| 9925576 | Shaving tool | — | 2018-03-27 |
| 9505100 | Grinding tool | — | 2016-11-29 |
| 7666350 | Low carbon composite free-cutting steel product excellent in roughness of finished surface and method for production thereof | Hiroshi Yaguchi, Koichi Sakamoto, Tomoko Sugimura, Goro Anan | 2010-02-23 |
| 4799416 | Guard-moving system in a cutting apparatus | Taiichi Kumasaka, Yasuyuki Hirano, Koichi Sawada | 1989-01-24 |