Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230718 | Coated abrasive grains and a manufacturing method therefor | Takeo Oki, Yoichi Fukuta, Satoshi Aoki | 1993-07-27 |
| 5090969 | Coated abrasive grains and a manufacturing method therefor | Takeo Oki, Yoichi Fukuta, Satoshi Aoki | 1992-02-25 |