Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989731 | Composite material and method of manufacturing the same | Michio Otsuka, Hideki Moriguchi | 1999-11-23 |
| 5889219 | Superhard composite member and method of manufacturing the same | Hideki Moriguchi, Michio Otsuka | 1999-03-30 |