Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6547842 | Polishing material, grinding particle body for abrasion-grinding, method for producing a polishing material, and method for polishing or grinding, and polishing apparatus | Kazuya Edamura, Isao Shibata | 2003-04-15 |