Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867803 | Lapping tools and method of manufacturing the same | Toshio Shikata, Hirokazu Tokoro, Takanobu Nishimura, Norio Masuda | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867803 | Lapping tools and method of manufacturing the same | Toshio Shikata, Hirokazu Tokoro, Takanobu Nishimura, Norio Masuda | 1989-09-19 |