Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847845 | Semiconductor laser with an interposed gap | Etsuji Omura | 1989-07-11 |
| 4809289 | Semiconductor laser device | Katsuhiko Goto | 1989-02-28 |
HN
Hirofumi Namizaki
Overall (1989): #25,738 of 140,708Top 20%
2
Patents 1989