Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9539702 | Abrasive grinding wheel | Masayuki Shimizu, Takuma Kono, Tsutomu Kato | 2017-01-10 |
| 8444726 | Method for manufacturing grinding wheel having depressions on grinding surface thereof | Shinji Soma, Koji Morita, Tomohiro Inagaki, Takayuki Moroto, Kazuhiko Sugita +1 more | 2013-05-21 |
| 8182318 | Obliquely grooved grinding wheel and method for manufacturing the same | Shinji Soma, Masahiro Ido, Hitoshi Akahane, Tomohiro Inagaki, Tomoyasu Imai | 2012-05-22 |