Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949511 | Super abrasive grinding tool element and grinding tool | Yukio Endo, Tadashi Matsuoka, Masayoshi Ueki, Norio Otake | 1990-08-21 |
| 4712334 | Anti-clogging device for grinding wheel | Yasuo Ikezaki, Tadashi Matsuoka | 1987-12-15 |