Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5997387 | Grinding wheel with at least two wheel cores for circumferential grinding | Tomoyasu Imai, Hideki Nagano, Koji Nishi, Hisashi Nakamura, Masahiro Ido +3 more | 1999-12-07 |
| 4866887 | Method of truing grinding wheel | Tomoyasu Imai, Toshihiro Tsutsui | 1989-09-19 |
| 4662120 | Cam grinding machine | Tomoyasu Imai, Toshihiro Tsutsui | 1987-05-05 |