Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9263853 | Optical semiconductor device, method for manufacturing optical semiconductor device, and method for manufacturing optical module | Yusuke Azuma, Eitaro Ishimura | 2016-02-16 |
| 8841143 | Method of manufacturing optical modulator | — | 2014-09-23 |
| 7289546 | Semiconductor laser having an improved stacked structure | Kimio Shigihara, Yoshihiko Hanamaki, Kazushige Kawasaki | 2007-10-30 |
| 7259406 | Semiconductor optical element | Yoshihiko Hanamaki, Kenichi Ono, Kimio Shigihara, Kazushige Kawasaki, Naoyuki Shimada | 2007-08-21 |
| 5805629 | Semiconductor laser | Masayoshi Takemi, Tatsuya Kimura, Daisuke Suzuki, Tetsuo Shiba | 1998-09-08 |