Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801987 | Junction type field effect transistor with metallized oxide film | Mutsuyuki Otsubo | 1989-01-31 |
YM
Yasuo Mitsui
Overall (1989): #42,000 of 140,708Top 30%
1
Patents 1989