Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852112 | Semiconductor laser with facet protection film of selected reflectivity | Ryo Hattori | 1989-07-25 |
HK
Hitoshi Kagawa
Overall (1989): #105,254 of 140,708Top 75%
1
Patents 1989