Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12341475 | Semiconductor device | — | 2025-06-24 |
| 11869867 | Semiconductor device | — | 2024-01-09 |
| 11489240 | High-frequency switch circuit and front-end circuit including same | — | 2022-11-01 |
| 11126017 | Driving circuit for optical device | — | 2021-09-21 |
| 10958355 | Optical receiver circuit | — | 2021-03-23 |
| 10642076 | Drive circuit | — | 2020-05-05 |
| 10511274 | Driver circuit | — | 2019-12-17 |
| 10405424 | Driver circuit for optical transmitter | — | 2019-09-03 |
| 10396719 | Integrated circuit device | Naoki Itabashi | 2019-08-27 |
| 10345627 | Driving circuit for optical modulator | — | 2019-07-09 |
| 10241378 | Optical modulation device | Akira Furuya | 2019-03-26 |
| 9954622 | Trans-impedance amplifier and optical receiver including the same | Yoshiyuki Sugimoto | 2018-04-24 |
| 9825709 | Traveling wave amplifier for driving optical modulator | — | 2017-11-21 |
| 9698023 | Traveling-wave amplifier | Naoki Itabashi, Masataka Watanabe | 2017-07-04 |
| 9641136 | Travelling wave amplifier (TWA) for driving optical modulator | — | 2017-05-02 |
| 9608581 | Differential amplifier | Naoki Itabashi, Keiji Tanaka | 2017-03-28 |
| 9590576 | Differential amplifier | — | 2017-03-07 |
| 9584222 | Driving circuit for driving non-linear optical modulator by signal having plural logic levels | — | 2017-02-28 |
| 9500886 | Optical modulator driver | — | 2016-11-22 |
| 9369100 | Traveling wave amplifier providing cascade units each including a dynamic cascade transistor whose collector output is fed back to its base input | — | 2016-06-14 |
| 9276567 | Detection circuit for detecting signal amplitude | — | 2016-03-01 |
| 9246440 | Differential amplifier | Naoki Itabashi, Keiji Tanaka | 2016-01-26 |
| 9182617 | Driver circuit configured with travelling wave amplifier | Sosaku Sawada | 2015-11-10 |
| 9116367 | Driver for electro-absorption modulator | Keiji Tanaka | 2015-08-25 |
| 9046703 | Optical modulator module and semiconductor optical modulator | Chie Fukuda, Naoya KONO, Morihiro Seki, Kazuhiro Yamaji, Yasuyuki Yamauchi +2 more | 2015-06-02 |