Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4760578 | Semiconductor laser with a controllable transmittance layer | Masaaki Oshima, Noriyuki Hirayama | 1988-07-26 |
| 4747110 | Semiconductor laser device capable of emitting laser beams of different wavelengths | Yasuhito Takahashi, Mototsugu Ogura | 1988-05-24 |
| 4533410 | Process of vapor phase epitaxy of compound semiconductors | Mototsugu Ogura, Yuzaburoh Ban | 1985-08-06 |