Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12248181 | Optical module | Yuriko Kawamura, Takashi Yamada, Yuichiro Ikuma | 2025-03-11 |
| 12222567 | Optical circuit module | Yuichiro Ikuma, Takashi Yamada | 2025-02-11 |
| 12124086 | Optical fiber connection structure | Yuichiro Ikuma, Takashi Yamada | 2024-10-22 |
| 12099266 | Optical circuit with common ground configuration for resistors and thermo-optic phase shifters | Kiyofumi Kikuchi, Ken Tsuzuki, Yuichiro Ikuma, Kotaro Takeda, Yuriko Kawamura | 2024-09-24 |
| 12078851 | Optical module | Shunichi Soma, Ken Tsuzuki, Takashi Yamada, Kiyofumi Kikuchi | 2024-09-03 |
| 12068421 | Light reception element and light shielding structure for optical circuit | Keiichi Morita, Atsushi Murasawa, Hiroki Kawashiri | 2024-08-20 |
| 12055765 | Optical module | Yuriko Kawamura, Takashi Yamada | 2024-08-06 |
| 11982839 | Optical 90 degree hybrid circuit | Makoto Jizodo, Manabu Oguma, Yuichiro Ikuma | 2024-05-14 |
| 11982837 | Interposer circuit | Yuichiro Ikuma, Manabu Oguma, Takashi Yamada | 2024-05-14 |
| 11921324 | Photodetector | Kotaro Takeda | 2024-03-05 |
| 11646800 | Optical transmitter and method for controller optical transmitter | Shogo Yamanaka, Hiroto Kawakami | 2023-05-09 |
| 11592629 | Optical module | Yuriko Kawamura, Kiyofumi Kikuchi, Shunichi Soma | 2023-02-28 |
| 11567275 | Optical module | Yuriko Kawamura, Kiyofumi Kikuchi, Shunichi Soma | 2023-01-31 |
| 11509396 | Polarization multi/demultiplexed optical transceiver circuit | Shogo Yamanaka, Yuichiro Ikuma | 2022-11-22 |
| 11493776 | Polarization multiplexed optical transmitter circuit and polarization multi/demultiplexed optical transceiver circuit | Manabu Oguma, Shogo Yamanaka, Makoto Jizodo | 2022-11-08 |
| 10310159 | Optical waveguide device | Shigeo Nagashima, Yoshiteru Jinnouchi, Takashi Nakayama, Hiroki Kawashiri, Ikuo Ogawa +1 more | 2019-06-04 |
| 10039187 | Flexible printed wiring substrate | Kazumasa Yoshida, Toshiyuki Ozawa, Teruaki Sato, Atsushi Tomita, Yosuke Takeuchi +1 more | 2018-07-31 |
| 9459417 | Planar lightwave circuit | Ryoichi Kasahara, Ikuo Ogawa, Kenya Suzuki, Fumihiro Ebisawa | 2016-10-04 |
| 9323000 | Waveguide-type polarization beam splitter | Takashi Saida, Takayuki Mizuno, Ryoichi Kasahara | 2016-04-26 |
| 9235003 | Waveguide-type polarization beam splitter | Takashi Saida, Takayuki Mizuno, Ryoichi Kasahara | 2016-01-12 |
| 9116291 | Integrated optical module | Ryoichi Kasahara, Atsushi Aratake, Ikuo Ogawa, Yuichi Suzuki, Shunichi Soma | 2015-08-25 |
| 9116317 | Planar lightwave circuit | Ryoichi Kasahara, Ikuo Ogawa, Kenya Suzuki, Fumihiro Ebisawa | 2015-08-25 |
| 9036965 | Microlens array and optical transmission component | Hiroshi Terui, Fumihiro Ebisawa, Shunichi Soma, Akira Komiyama, Keiichi Morita +1 more | 2015-05-19 |
| 8971677 | Optical 90-degree hybrid circuit | Yohei Sakamaki, Toshikazu Hashimoto, Kuninori Hattori, Hiroshi Takahashi | 2015-03-03 |
| 8649640 | Optical 90-degree hybrid circuit | Yohei Sakamaki, Toshikazu Hashimoto, Kuninori Hattori, Hiroshi Takahashi | 2014-02-11 |