Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698156 | Method of producing a silicon nitride based sintered body | Takashi Matsuura, Akira Yamakawa | 1997-12-16 |
HM
Hasaya Miyake
Overall (All Time): #3,731,917 of 4,157,543Top 90%
1
Patents All Time