Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835588 | Transistor | Kunihisa Ono, Koji Takahashi, Yoshiyasu Kanno | 1989-05-30 |
| 4812876 | Motor control device for a copying machine | — | 1989-03-14 |
YN
Yoshiaki Nawata
Toshiba: 1 patents #3 of 47Top 7%
Overall (1989): #12,359 of 140,708Top 9%
2
Patents 1989