Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6140690 | Semiconductor device | Itsuzo Oka, Katsuhiko Higashiyama | 2000-10-31 |
TO
Taizo Oohama
Overall (All Time): #3,632,274 of 4,157,543Top 90%
1
Patents All Time