Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372817 | Optical waveguide element, and optical modulation device and optical transmission device using same | Kosuke OKAHASHI | 2025-07-29 |
| 12332534 | Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus | Shotaro HIRATA, Kosuke OKAHASHI, Yu Kataoka, Shingo Takano | 2025-06-17 |
| 12153295 | Optical waveguide element, and optical modulation device and optical transmission device using the same | Toshio Kataoka | 2024-11-26 |
| 12130536 | Optical modulator | Norikazu Miyazaki, Kosuke OKAHASHI | 2024-10-29 |
| 12092910 | Optical modulator | Kosuke OKAHASHI, Norikazu Miyazaki | 2024-09-17 |
| 12044911 | Optical waveguide element and optical waveguide device | Norikazu Miyazaki | 2024-07-23 |
| 11977284 | Optical waveguide device, manufacturing method of optical modulation element, optical modulator, optical modulation module, and optical transmission apparatus | Shotaro HIRATA, Kosuke OKAHASHI, Yu Kataoka, Shingo Takano | 2024-05-07 |
| 11940708 | Optical modulator | Norikazu Miyazaki, Kosuke OKAHASHI | 2024-03-26 |
| 11442329 | Optical waveguide element, optical modulator, optical modulation module, and optical transmission apparatus | Toru Sugamata | 2022-09-13 |
| 10895765 | Optical modulation element | Tetsuya Fujino, Tetsuya Goto | 2021-01-19 |
| 10578893 | Optical waveguide element | Yoichi Hosokawa | 2020-03-03 |
| 10514561 | Optical modulator | Toshio Kataoka | 2019-12-24 |
| 9977270 | Optical device | Yoshizumi Ishikawa, Youichi Hosokawa, Satoshi Oikawa | 2018-05-22 |
| 9519200 | Optical control device | Toshio Kataoka, Junichiro Ichikawa | 2016-12-13 |
| 9057893 | Light control element | Junichiro Ichikawa, Hiroshi Murata | 2015-06-16 |
| 8737773 | Optical control element | Junichiro Ichikawa, Hiroshi Murata | 2014-05-27 |