Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4764490 | Process for preparation of sintered silicon nitride | Akira Yamakawa, Masaya Miyake | 1988-08-16 |
TN
Takao Nishioka
Denso: 2 patents #4,986 of 11,792Top 45%
Sumitomo Electric Sintered Alloy: 2 patents #35 of 73Top 50%
Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #52,985 of 4,157,543Top 2%
51
Patents All Time