Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845720 | Semiconductor laser control circuit | Kenji Koishi, Shinji Kubota | 1989-07-04 |
KI
Kenzo Ishibashi
Overall (1989): #88,659 of 140,708Top 65%
1
Patents 1989