Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332489 | Opto-electronic integrated module | Yuriko Kawamura, Kiyofumi Kikuchi | 2025-06-17 |
| 12099266 | Optical circuit with common ground configuration for resistors and thermo-optic phase shifters | Kiyofumi Kikuchi, Yusuke Nasu, Yuichiro Ikuma, Kotaro Takeda, Yuriko Kawamura | 2024-09-24 |
| 12078851 | Optical module | Shunichi Soma, Yusuke Nasu, Takashi Yamada, Kiyofumi Kikuchi | 2024-09-03 |
| 11841598 | Optical modulator | Masayuki Takahashi, Toshihiro Ito, Kiyofumi Kikuchi | 2023-12-12 |
| 11561350 | Optical module | Kiyofumi Kikuchi, Shunichi Soma, Shuichiro Asakawa | 2023-01-24 |
| 11340478 | Optical transmitter | Toshihiro Ito, Masayuki Takahashi, Kiyofumi Kikuchi | 2022-05-24 |
| 11275261 | Optical modulator | Masayuki Takahashi | 2022-03-15 |
| 10890787 | Optical modulator | Yuriko Kawamura, Kiyofumi Kikuchi | 2021-01-12 |
| 10852618 | Optical modulator having interconnecting ground electrodes for coplanar waveguides | Yuriko Kawamura | 2020-12-01 |
| 10720543 | Photodetector | Hiroshi Fukuda, Shin Kamei, Makoto Jizodo, Kiyofumi Kikuchi | 2020-07-21 |
| 10649147 | Optical module | Tomohiro Nakanishi, Teruaki Sato, Motohaya Ishii, Satoru Konno, Yuichi Suzuki +8 more | 2020-05-12 |
| 10601522 | Optical receiver | Toshihiro Itoh, Yuriko Kawamura, Kiyofumi Kikuchi, Hiroshi Fukuda, Shin Kamei | 2020-03-24 |
| 10317709 | Optical modulator | Takashi Saida, Koutaro Takeda, Kentaro Honda | 2019-06-11 |
| 10295744 | Coherent optical mixer circuit | Shin Kamei, Makoto Jizodo, Hiroshi Fukuda, Kiyofumi Kikuchi | 2019-05-21 |
| 10277271 | Optical module | Kiyofumi Kikuchi, Hiroshi Fukuda, Takashi Saida, Shin Kamei | 2019-04-30 |
| 10193653 | Polarization multiplexing optical transmission circuit and polarization multiplexing optical transmission and reception circuit | Shin Kamei, Makoto Jizodo, Hiroshi Fukuda, Kiyofumi Kikuchi | 2019-01-29 |
| 10165690 | Solder joint structure of flexible printed circuit board | Mitsuo Usui, Kiyofumi Kikuchi, Hiroshi Fukuda, Shuichiro Asakawa, Shin Kamei +2 more | 2018-12-25 |
| 10146099 | Optical modulator | Shin Kamei, Makoto Jizodo | 2018-12-04 |
| 9297961 | Optical module | Kota Shikama, Shuichiro Asakawa, Atushi Aratake, Shinji Mino | 2016-03-29 |
| 9297977 | Lens optical component with lens housing supported by lens holder | Toshiki Nishizawa, Yuji Mitsuhashi | 2016-03-29 |
| 9036958 | Optical component | Motohaya Ishii, Naoki Ooba, Kazunori Seno, Yoshiyuki Doi, Takao Fukumitsu +5 more | 2015-05-19 |
| 8965146 | Advanced-format optical modulator with low power consumption and low-loss characteristics | Takashi Goh, Yoshiyuki Doi, Shinji Mino, Hiroshi Yamazaki, Takashi Yamada | 2015-02-24 |
| 8948546 | Optical frequency shifter and optical modulator using the same | Takashi Saida, Hiroshi Yamazaki, Takashi Goh, Shinji Mino | 2015-02-03 |
| 8721191 | Optical component | Motohaya Ishii, Takashi Yamada, Yoshiyuki Doi, Takashi Saida, Takashi Goh +8 more | 2014-05-13 |
| 8401344 | Semiconductor optical modulator and optical modulating apparatus | Tadao Ishibashi, Kazuhiro Maruyama, Kenji Kobayashi, Tomoyuki Akeyoshi, Nobuhiro Kikuchi +1 more | 2013-03-19 |