Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12153295 | Optical waveguide element, and optical modulation device and optical transmission device using the same | Masayuki Motoya | 2024-11-26 |
| 11493788 | Optical modulator | Takeshi Sakai | 2022-11-08 |
| 11109480 | Flexible printed circuit and optical device | Norikazu Miyazaki, Kei Katou | 2021-08-31 |
| 10890788 | Optical waveguide device module | Hideki Ichimei | 2021-01-12 |
| 10514561 | Optical modulator | Masayuki Motoya | 2019-12-24 |
| 10502982 | Optical modulator | Kei Katou, Junichiro Ichikawa | 2019-12-10 |
| 10481464 | Optical modulator with wirings of equal length | Kei Kato | 2019-11-19 |
| 10466513 | Optical waveguide device | Junichiro Ichikawa | 2019-11-05 |
| 10401658 | Optical modulator and optical switch | Kei Kato, Junichiro Ichikawa | 2019-09-03 |
| 10365506 | Optical modulator | Kei Katou, Junichiro Ichikawa | 2019-07-30 |
| 10348007 | Optical control element module | Kei Katou | 2019-07-09 |
| 10162201 | Optical modulator | Norikazu Miyazaki, Youichi Hosokawa, Kei Katou | 2018-12-25 |
| 10126505 | Optical element module | Tokutaka Hara | 2018-11-13 |
| 10091881 | Connection structure between optical device and circuit substrate, and optical transmission apparatus using the same | Kei Katou | 2018-10-02 |
| 10088734 | Waveguide-type optical element | Katsutoshi Kondou, Junichiro Ichikawa | 2018-10-02 |
| 10067403 | Optical modulator and optical switch | Junichiro Ichikawa | 2018-09-04 |
| 10001602 | Polarization-combining module | Tokutaka Hara | 2018-06-19 |
| 9800349 | Optical 90-degree hybrid circuit and optical receiver using same | Yuji Hayami | 2017-10-24 |
| 9778539 | Optical modulation device | Norikazu Miyazaki, Youichi Hosokawa | 2017-10-03 |
| 9746741 | Optical modulator | Katsutoshi Kondou, Junichiro Ichikawa | 2017-08-29 |
| 9551887 | Optical modulator | Junichiro Ichikawa, Katsutoshi Kondou | 2017-01-24 |
| 9523872 | Optical device | Norikazu Miyazaki, Youichi Hosokawa | 2016-12-20 |
| 9519200 | Optical control device | Masayuki Motoya, Junichiro Ichikawa | 2016-12-13 |
| 8975987 | Transmission line having band-shaped resistors connected to outer sides of ground electrodes in the transmission line | Yuhki Kinpara, Toru Takada | 2015-03-10 |
| 8577225 | Optical receiver | Masahito Mure, Norikazu Miyazaki, Kaoru Higuma | 2013-11-05 |