Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12327983 | Wavelength-variable laser | Junji Yoshida, Hirokazu Itoh, Satoshi Irino, Yuichiro Irie | 2025-06-10 |
| 12009636 | Wavelength-variable laser | Junji Yoshida, Hirokazu Itoh, Satoshi Irino, Yuichiro Irie | 2024-06-11 |
| 11605935 | Wavelength-variable laser | Junji Yoshida, Hirokazu Itoh, Satoshi Irino, Yuichiro Irie | 2023-03-14 |
| 11581706 | Wavelength-variable laser | Junji Yoshida, Hirokazu Itoh, Satoshi Irino, Yuichiro Irie | 2023-02-14 |
| 10938183 | Wavelength-variable laser | Junji Yoshida, Hirokazu Itoh, Satoshi Irino, Yuichiro Irie, Masaki Funabashi +1 more | 2021-03-02 |
| 10511150 | Wavelength-variable laser | Junji Yoshida, Hirokazu Itoh, Satoshi Irino, Yuichiro Irie, Masaki Funabashi +1 more | 2019-12-17 |
| 10020638 | Optical semiconductor device, semiconductor laser module, and optical fiber amplifier | Junji Yoshida, Hirokazu Itoh, Satoshi Irino, Yuichiro Irie | 2018-07-10 |
| 9711945 | Method of designing semiconductor laser device, method of designing raman amplifier, methods of manufacturing semiconductor laser device, semiconductor laser device, raman amplifier, and optical communication system | Hideaki Hasegawa, Noriyuki Yokouchi, Satoshi Irino, Junji Yoshida | 2017-07-18 |
| 9601905 | Optical semiconductor device, semiconductor laser module, and optical fiber amplifier | Junji Yoshida, Hirokazu Itoh, Satoshi Irino, Yuichiro Irie | 2017-03-21 |
| 9083150 | Optical semiconductor device, semiconductor laser module, and optical fiber amplifier | Junji Yoshida, Hirokazu Itoh, Satoshi Irino, Yuichiro Irie | 2015-07-14 |