Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6093479 | Coated hard alloy blade member | Hironori Yoshimura, Akira Osada, Kenichi Unou, Takatoshi Oshika, Jun Sugawara | 2000-07-25 |
| 5920760 | Coated hard alloy blade member | Hironori Yoshimura, Akira Osada, Kenichi Unou, Takatoshi Oshika, Jun Sugawara | 1999-07-06 |