Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12119879 | Signal processing device | Fumio Futami | 2024-10-15 |
| 11894875 | Signal processing system | Fumio Futami | 2024-02-06 |
| 11863301 | Signal processing device | Fumio Futami | 2024-01-02 |
| 11022811 | Optical amplifier and optical switch device | Suguru Akiyama, Kazuhiro Ikeda, Takeshi Matsumoto, Hitoshi Kawashima, Keijiro Suzuki | 2021-06-01 |
| 10901242 | Driving device and driving method for phase controller, and optical switch | Hiroyuki Matsuura, Satoshi Suda, Haruhiko Kuwatsuka, Keijiro Suzuki, Guangwei Cong +3 more | 2021-01-26 |
| 9444221 | Laser apparatus and method to re-tune emission wavelength tunable LD | Katsumi Uesaka, Eiichi Banno, Hajime Shoji, Hiroyuki Matsuura, Haruhiko Kuwatsuka +1 more | 2016-09-13 |
| 9395504 | System to control wavelength and method to control wavelength | Katsumi Uesaka, Eiichi Banno, Hajime Shoji, Hiroyuki Matsuura, Haruhiko Kuwatsuka +1 more | 2016-07-19 |