Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868837 | Semiconductor laser | Yoshito Seiwa | 1989-09-19 |
TA
Toshitaka Aoyagi
Overall (1989): #49,342 of 140,708Top 40%
1
Patents 1989