Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12242143 | Optical device and optical communication apparatus | Nobuaki Mitamura, Shuntaro Makino, Yoshinobu Kubota | 2025-03-04 |
| 12197054 | Optical device and optical communication apparatus | Shuntaro Makino, Masaharu Doi | 2025-01-14 |
| 12153294 | Optical device having dual waveguides with one being an electro-optic crystal waveguide | Shuntaro Makino, Teruo Kurahashi, Yoshinobu Kubota, Nobuaki Mitamura, Takehito Tanaka | 2024-11-26 |
| 12044910 | Optical device and optical communication apparatus | Shuntaro Makino, Yoshinobu Kubota, Yasuhiro Ohmori, Masaharu Doi, Masaki Sugiyama +3 more | 2024-07-23 |
| 11086149 | Electro-optic device | Shinji Iwatsuka, Kenji Sasaki, Hiroki Hara, Yasuhiro Ohmori, Masaharu Doi +2 more | 2021-08-10 |
| 10754179 | Optical modulator, optical modulator module, and optical transmitter module | Yasuhiro Ohmori, Yoshinobu Kubota, Masaharu Doi, Shintaro Takeuchi | 2020-08-25 |
| 10303036 | Optical modulator | Shintaro Takeuchi, Yoshinobu Kubota, Masaharu Doi, Yasuhiro Ohmori | 2019-05-28 |
| 10281748 | Optical modulator and optical module | Toyokazu Sasaki, Yasuhiro Ohmori, Yoshinobu Kubota | 2019-05-07 |
| 10082683 | Optical modulator that is formed using ferroelectric substrate | Masaharu Doi, Yoshinobu Kubota | 2018-09-25 |
| 9335490 | Optical device and fabrication method of optical device | Shinji Maruyama, Tomoyuki Ito, Yoshihiro Takahashi, Yoshinobu Kubota | 2016-05-10 |
| 8831385 | Mach-zehnder modulator | Masaki Sugiyama, Yoshitada Kawashima, Toyokazu Sasaki | 2014-09-09 |
| 8374467 | Optical device having a plurality of Mach-Zehnder modulators | Masaki Sugiyama, Akira Ishii | 2013-02-12 |
| 7079732 | Optical device | Shinji Maruyama, Tomoyuki Itou, Yoshihiro Takahashi, Yasuhiro Omori, Masaharu Doi | 2006-07-18 |
| 6243416 | Image coding and decoding methods, image coder, and image decoder | Nobuhito Matsushiro | 2001-06-05 |