Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7434289 | Polisher brush having wire-shaped grinding elements | Atsushi Odaka, Suguru Matsushita | 2008-10-14 |
| 6447562 | Abrasive | Takuma Miyazawa | 2002-09-10 |
| 6004198 | Working tool, and material therefor | — | 1999-12-21 |