Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12066669 | Optical device | Manabu Shiozaki, Tomoya Saeki | 2024-08-20 |
| 11128104 | Wavelength-tunable light source and wavelength control method for the same | Tomoko Miura | 2021-09-21 |
| 9819149 | Optical transmitter implementing wavelength tunable diode | Haruhiko Kuwatsuka, Aaron Albores-Mejia | 2017-11-14 |
| 9686018 | Optical transmitter emitting light with narrowed linewidth | — | 2017-06-20 |
| 9444221 | Laser apparatus and method to re-tune emission wavelength tunable LD | Eiichi Banno, Hajime Shoji, Hiroyuki Matsuura, Haruhiko Kuwatsuka, Ken Tanizawa +1 more | 2016-09-13 |
| 9395487 | Wavelength monitor | Yutaka Onishi | 2016-07-19 |
| 9395504 | System to control wavelength and method to control wavelength | Eiichi Banno, Hajime Shoji, Hiroyuki Matsuura, Haruhiko Kuwatsuka, Ken Tanizawa +1 more | 2016-07-19 |
| 9274399 | Optical modulator | Kazuhiro Yamaji | 2016-03-01 |
| 8781263 | Optical modulator | Kazuhiro Yamaji | 2014-07-15 |
| 8660388 | Optical modulation apparatus, method for controlling optical modulator, and control device for optical modulator | Morihiro Seki | 2014-02-25 |
| 8620116 | Optical modulation apparatus, method for controlling optical modulation apparatus | Tohru Watanabe | 2013-12-31 |
| 8216866 | Method to manufacture semiconductor device with optical grating | Kuniaki Ishihara, Yutaka Oonishi | 2012-07-10 |
| 8218976 | Optical receiver with trans-impedance responding in bit-by-bit to input signal | — | 2012-07-10 |
| 8121160 | Driver circuit for semiconductor laser diode driven in differential mode | Akihiro Moto | 2012-02-21 |
| 7978741 | Optical transmitter with a shunt driving configuration and a load transistor operated in common gate mode | — | 2011-07-12 |
| 7912380 | Optical receiver | Keiji Tanaka | 2011-03-22 |
| 7492797 | Laser driver circuit | — | 2009-02-17 |
| 7483459 | Laser driver with selectable output impedance | Keiji Tanaka | 2009-01-27 |
| 7418018 | Driver circuit for semiconductor laser diode | Keiji Tanaka | 2008-08-26 |
| 7358818 | Optical receiver for an optical communication | Naoki Nishiyama | 2008-04-15 |
| 5600472 | Distortion generating circuit | — | 1997-02-04 |
| 5329173 | Signal detecting circuit apparatus | Daisuke Murakami, Kenji Kibayashi, Isao Matsumoto, Hideki Yoshida, Mitsuaki Nishie +1 more | 1994-07-12 |
| 5224112 | Semiconductor laser device driving circuit | — | 1993-06-29 |