Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11374380 | Semiconductor laser | Makoto Matsuhama, Kyoji Shibuya | 2022-06-28 |
| 5825047 | Optical semiconductor device | Akira Ajisawa, Masayuki Yamaguchi, Keiro Komatsu | 1998-10-20 |
| 5636237 | Semiconductor laser device which makes it possible to realize high-speed modulation | Toshitaka Torikai | 1997-06-03 |
| 5398255 | Semiconductor laser having buried structure on p-InP substrate | — | 1995-03-14 |
| 5382543 | Semiconductor device manufacturing method capable of correctly forming active regions | Takahiro Nakamura | 1995-01-17 |
| 5329135 | Light emitting device for achieving high luminous efficiency and high saturation level of light output | — | 1994-07-12 |
| 5309467 | Semiconductor laser with InGaAs or InGaAsP active layer | — | 1994-05-03 |
| 4829346 | Field-effect transistor and the same associated with an optical semiconductor device | Kensuke Kasahara, Yasumasa Inomoto, Akira Suzuki, Tomohiro Itoh | 1989-05-09 |
| 4698821 | Integrated light emitting/receiving amplifier element | Yuichi Odagiri | 1987-10-06 |