Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11644632 | Method for manufacturing optical device | Kenichi Ohmori, Hitoshi Uemura | 2023-05-09 |
| 10598854 | Micro optical circuit and optical mode converter | Shinichi Sakamoto | 2020-03-24 |
| 10365507 | Semiconductor optical integrated circuit | Kazuhiro Goi | 2019-07-30 |
| 10267995 | Substrate-type optical waveguide and substrate-type optical modulator | Shinichi Sakamoto, Kazuhiro Goi | 2019-04-23 |
| 10151941 | Optical modulation element, optical modulator, and manufacturing method of optical modulation element | — | 2018-12-11 |
| 10073286 | Substrate-type optical waveguide and substrate-type optical modulator | Shinichi Sakamoto | 2018-09-11 |
| 9869816 | Light combining/dividing element and light modulator | Kazuhiro Goi | 2018-01-16 |
| 9864215 | Substrate-type optical waveguide and substrate-type optical modulator | Shinichi Sakamoto, Kazuhiro Goi | 2018-01-09 |