Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387502 | Diamond-coated hard metal member | Takashi Okamura, Satoshi Iio | 2002-05-14 |
| 6110240 | Superhard article with diamond coat and method of manufacturing same | Takashi Okamura, Satoshi Iio | 2000-08-29 |