Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10560199 | Signal processing circuit and optical receiving device | Yuya IMOTO, Kazuhiko Hatae, Nobukazu Koizumi, Yasuo Ohtomo, Masashi Sato +1 more | 2020-02-11 |
| 10177855 | Amplitude adjustment circuit, digital coherent receiver, and amplitude adjustment method | Masashi Sato, Kazuhiko Hatae, Nobukazu Koizumi, Yasuo Ohtomo, Daisuke Sasaki +1 more | 2019-01-08 |
| 9680667 | Adaptive equalization circuit, digital coherent receiver, and adaptive equalization method | Daisuke Sasaki, Kazuhiko Hatae, Tomoki Katou, Nobukazu Koizumi, Yasuo Ohtomo +2 more | 2017-06-13 |
| 9660733 | Signal processing apparatus, signal processing method, and signal processing system | Masashi Sato, Kazuhiko Hatae, Tomoki Katou, Nobukazu Koizumi, Yasuo Ohtomo +2 more | 2017-05-23 |
| 9381923 | In-vehicle load control system | Masashi Suzuki, Kazuya Suehiro | 2016-07-05 |
| 9374170 | Optical receiving device | Tomoki Katou, Kazuhiko Hatae, Hisao Nakashima, Manabu Yamazaki | 2016-06-21 |
| 8875085 | Wiring inspection apparatus and wiring inspection method | Akiko Furuya, Nobuaki Kawasoe, Koji Migita | 2014-10-28 |
| 8864238 | Seat pad | Yuuya Tanaka, Toshio Suzuki | 2014-10-21 |
| 8869092 | Wiring inspection apparatus and wiring inspection method | Akiko Furuya, Nobuaki Kawasoe, Koji Migita | 2014-10-21 |
| 8834768 | Process and facility for manufacturing foam molded resin articles | — | 2014-09-16 |
| 8549056 | Apparatus and program for arctangent calculation | — | 2013-10-01 |
| 7417792 | Optical amplification device | Kazuhiko Hatae, Nobukazu Koizumi | 2008-08-26 |
| 7388711 | Controlling apparatus for optical amplifier and controlling method thereof | Nobukazu Koizumi, Yohei Koganei | 2008-06-17 |
| 7158290 | Controlling apparatus for optical amplifier and controlling method thereof | Nobukazu Koizumi, Yohei Koganei | 2007-01-02 |