Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9564964 | Optical signal processing device, optical signal processing method and recording medium | Taku Saito, Osamu Takeuchi, Hirofumi Araki, Kanji Naito, Shoichi Murakami | 2017-02-07 |
| 9413522 | Optical receiver and signal processing method for optical receiver | Daijiro Tanaka, Osamu Takeuchi, Taku Saito, Hirofumi Araki | 2016-08-09 |
| 9306675 | Digital coherent receiver, optical reception system, and optical reception method | Yuichirou Sakamoto | 2016-04-05 |
| 8655185 | Optical node, optical network system, and method for measuring polarization mode dispersion | Takeshi Sakamoto, Kosuke Komaki | 2014-02-18 |
| 8649678 | Frame processing apparatus, optical receiving apparatus, optical transceiving apparatus, optical transmission system, and frame processing controlling method | Takeshi Hoshida | 2014-02-11 |
| 8478137 | Optical receiver | Kosuke Komaki, Masahiro Shioda, Osamu Takeuchi | 2013-07-02 |
| 8295715 | Optical receiver and optical phase control method thereof | — | 2012-10-23 |
| 7817925 | High-speed dispersion compensation control apparatus | Toshiki Honda, Kazuhiro Kunimatsu, Takeshi Ono, Masakazu Ozaki | 2010-10-19 |
| 7711218 | Optical reception apparatus and controlling method thereof | Hisayuki Ojima | 2010-05-04 |
| 7319824 | Optical signal receiver, and method for controlling identification point for binarization processing performed thereby | — | 2008-01-15 |
| 5703409 | Error counting circuit | Tadayuki Takada | 1997-12-30 |