Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332489 | Opto-electronic integrated module | Yuriko Kawamura, Ken Tsuzuki | 2025-06-17 |
| 12099266 | Optical circuit with common ground configuration for resistors and thermo-optic phase shifters | Ken Tsuzuki, Yusuke Nasu, Yuichiro Ikuma, Kotaro Takeda, Yuriko Kawamura | 2024-09-24 |
| 12078851 | Optical module | Shunichi Soma, Yusuke Nasu, Ken Tsuzuki, Takashi Yamada | 2024-09-03 |
| 11973159 | Photodetector | Kotaro Takeda, Yoshiho Maeda, Tatsuro Hiraki | 2024-04-30 |
| 11841598 | Optical modulator | Masayuki Takahashi, Ken Tsuzuki, Toshihiro Ito | 2023-12-12 |
| 11592629 | Optical module | Yuriko Kawamura, Yusuke Nasu, Shunichi Soma | 2023-02-28 |
| 11567275 | Optical module | Yuriko Kawamura, Yusuke Nasu, Shunichi Soma | 2023-01-31 |
| 11561350 | Optical module | Shunichi Soma, Ken Tsuzuki, Shuichiro Asakawa | 2023-01-24 |
| 11340478 | Optical transmitter | Toshihiro Ito, Ken Tsuzuki, Masayuki Takahashi | 2022-05-24 |
| 10890787 | Optical modulator | Yuriko Kawamura, Ken Tsuzuki | 2021-01-12 |
| 10720543 | Photodetector | Hiroshi Fukuda, Shin Kamei, Ken Tsuzuki, Makoto Jizodo | 2020-07-21 |
| 10601522 | Optical receiver | Toshihiro Itoh, Yuriko Kawamura, Ken Tsuzuki, Hiroshi Fukuda, Shin Kamei | 2020-03-24 |
| 10295744 | Coherent optical mixer circuit | Shin Kamei, Makoto Jizodo, Hiroshi Fukuda, Ken Tsuzuki | 2019-05-21 |
| 10277271 | Optical module | Hiroshi Fukuda, Takashi Saida, Shin Kamei, Ken Tsuzuki | 2019-04-30 |
| 10193653 | Polarization multiplexing optical transmission circuit and polarization multiplexing optical transmission and reception circuit | Shin Kamei, Makoto Jizodo, Hiroshi Fukuda, Ken Tsuzuki | 2019-01-29 |
| 10165690 | Solder joint structure of flexible printed circuit board | Mitsuo Usui, Ken Tsuzuki, Hiroshi Fukuda, Shuichiro Asakawa, Shin Kamei +2 more | 2018-12-25 |
| 10050717 | Multi-stage interferometer circuit with waveform shaping function | Takashi Goh, Mikitaka Itoh | 2018-08-14 |
| 9817186 | Polarization rotator | Shin Kamei, Makoto Jizodo, Hiroshi Fukuda | 2017-11-14 |
| 9128348 | Light modulation circuit | Hiroshi Yamazaki, Hiroshi Takahashi, Takashi Goh, Takashi Saida | 2015-09-08 |