Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10901242 | Driving device and driving method for phase controller, and optical switch | Ken Tanizawa, Hiroyuki Matsuura, Satoshi Suda, Keijiro Suzuki, Guangwei Cong +3 more | 2021-01-26 |
| 9819149 | Optical transmitter implementing wavelength tunable diode | Katsumi Uesaka, Aaron Albores-Mejia | 2017-11-14 |
| 9444221 | Laser apparatus and method to re-tune emission wavelength tunable LD | Katsumi Uesaka, Eiichi Banno, Hajime Shoji, Hiroyuki Matsuura, Ken Tanizawa +1 more | 2016-09-13 |
| 9395504 | System to control wavelength and method to control wavelength | Katsumi Uesaka, Eiichi Banno, Hajime Shoji, Hiroyuki Matsuura, Ken Tanizawa +1 more | 2016-07-19 |
| 9276162 | Semiconductor photodetector and method for manufacturing the same | Nami Yasuoka, Toru Uchida, Yoshihiro Yoneda | 2016-03-01 |
| 8772896 | Semiconductor photodetector that causes avalanche multiplication to occur only at photodetector portion located at central portion of mesa structure | Nami Yasuoka, Toru Uchida, Yoshihiro Yoneda | 2014-07-08 |
| 8031394 | Wavelength conversion system, optical integrated device and wavelength conversion method | Koji Otsubo | 2011-10-04 |
| 7875946 | Semiconductor photodetector that causes avalanche multiplication to occur only at photodetector portion located at central portion of mesa structure | Nami Yasuoka, Toru Uchida, Yoshihiro Yoneda | 2011-01-25 |
| 7507600 | Semiconductor photodetecting device and method for fabricating the same | Nami Yasuoka, Akito Kuramata | 2009-03-24 |
| 7436586 | Wavelength conversion system, optical integrated device and wavelength conversion method | Koji Otsubo | 2008-10-14 |
| 7295366 | Optical integrated device and optical module | Shinsuke Tanaka, Ken Morito | 2007-11-13 |
| 6943422 | Semiconductor photodetecting device and method for fabricating the same | Nami Yasuoka, Akito Kuramata | 2005-09-13 |
| 6885039 | Semiconductor photodetector and avalanche photodiode | — | 2005-04-26 |
| 6542286 | Wavelength converting device and converting method | — | 2003-04-01 |
| 5751758 | Phase conjugate wave generating device, wavelength converting method, optical dispersion compensating method and multi-wavelength light generating device | — | 1998-05-12 |
| 4984032 | Semiconductor photodiode | Shuichi Miura, Takashi Mikawa, Nami Yasuoka | 1991-01-08 |