Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5787105 | Integrated semiconductor laser apparatus | Kazuya Okamoto, Atsushi Yamada, Yoshiaki Nakano | 1998-07-28 |
| 5289494 | Distributed feedback semiconductor laser | Yoshiaki Nakano, Takeshi Inoue, Yi Luo, Takeshi Irita, Shin Nakajima +1 more | 1994-02-22 |
| 5153687 | Semiconductor optical functional device with parabolic wells | Takuya Ishikawa, Shinji Nishimura | 1992-10-06 |
| 5119449 | Optical directional coupler switch | Keiro Komatsu, Hiroyasu Noguchi, Akira Suzuki | 1992-06-02 |
| 5077752 | Semiconductor laser | Yoshiaki Nakano, Yi Luo, Takeshi Inoue, Haruo Hosomatsu, Hideto Iwaoka | 1991-12-31 |
| 4832430 | Optical switch | Yoshitaka Okada, Hiroaki Inoue, Hiroyoshi Matsumura | 1989-05-23 |
| 4685763 | Light modulation device | Yoshikazu Nishiwaki, Shunji Matsuoka | 1987-08-11 |