Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855803 | Selectively definable semiconductor device | Hideo Azumai, Koichi Fujii, Keiichi Yoshioka | 1989-08-08 |
TS
Takashi Seigenji
Overall (1989): #52,417 of 140,708Top 40%
1
Patents 1989