Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11402594 | Optical waveguide device, and optical modulation device and optical transmission device using same | Kei Kato, Norikazu Miyazaki | 2022-08-02 |
| 11215754 | Optical waveguide element and manufacturing method therefor | Yuji Yamane, Norikazu Miyazaki, Yu Kataoka | 2022-01-04 |