Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361887 | Semiconductor light emitting element | Michiharu Nakamura, Motohisa Hirao, Tadashi Fukuzawa, Junichi Umeda | 1982-11-30 |
| 4337443 | Semiconductor laser device with facet passivation film | Jun-ichi Umeda, Toshikazu Shimada, Michiharu Nakamura, Yoshifumi Katayama, Takashi Kajimura | 1982-06-29 |