Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6113464 | Method for mirror surface grinding and grinding wheel therefore | Hitoshi Ohmori | 2000-09-05 |
| 5639363 | Apparatus and method for mirror surface grinding and grinding wheel therefore | Hitoshi Ohmori, Takeo Nakagawa | 1997-06-17 |