Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393064 | Semiconductor optical modulator | Josuke Ozaki | 2025-08-19 |
| 12176959 | High-speed optical transceiver | Hiromasa Tanobe, Shogo Yamanaka, Josuke Ozaki, Mitsuteru Ishikawa | 2024-12-24 |
| 12169347 | Semiconductor Mach-Zehnder optical modulator and IQ modulator | Josuke Ozaki, Yasuaki Hashizume | 2024-12-17 |
| 12105398 | Semiconductor Mach-Zehnder optical modulator and IQ modulator | Josuke Ozaki, Shigeru Kanazawa, Hiromasa Tanobe | 2024-10-01 |
| 11994783 | IQ optical modulator | Josuke Ozaki, Yasuaki Hashizume, Mitsuteru Ishikawa, Nobuhiro Nunoya | 2024-05-28 |
| 11971590 | Optical coupling method | Yasuaki Hashizume, Josuke Ozaki | 2024-04-30 |
| 11372307 | Optical modulator | Nobuhiro Kikuchi, Eiichi Yamada, Josuke Ozaki, Yuta Ueda, Shinsuke Nakano | 2022-06-28 |
| 11275287 | Semiconductor Mach-Zehnder optical modulator and IQ optical modulator using same | Yuta Ueda, Josuke Ozaki | 2022-03-15 |
| 11126058 | Semiconductor optical modulation element | Hiroyasu Mawatari, Nobuhiro Kikuchi | 2021-09-21 |
| 11106108 | Semiconductor Mach-Zehnder modulator | Josuke Ozaki, Norihide Kashio | 2021-08-31 |
| 10845668 | IQ optical modulator | Josuke Ozaki, Yuta Ueda | 2020-11-24 |
| 10522892 | High-frequency line | Nobuhiro Kikuchi, Eiichi Yamada, Josuke Ozaki | 2019-12-31 |
| 10254624 | Semiconductor optical modulation element | Josuke Ozaki, Norihide Kashio, Nobuhiro Kikuchi, Masaki Kohtoku | 2019-04-09 |
| 7263437 | Vehicle dispatching system and management server for the same | Masahito Hirose, Tsuyoshi Souma, Masaaki Aoki | 2007-08-28 |