Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829023 | Method of producing a semiconductor laser | Yutaka Nagai, Yutaka Mihashi, Yoichiro Ota | 1989-05-09 |
TY
Tetsuya Yagi
Overall (1989): #51,243 of 140,708Top 40%
1
Patents 1989