Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11656487 | Optical waveguide element, and optical modulation device and optical transmission apparatus using optical waveguide element | Yu Kataoka, Shingo Takano | 2023-05-23 |
| 11644734 | Optical modulator and optical module using same | Toru Sugamata | 2023-05-09 |
| 11586061 | Optical waveguide device, and optical modulation device and optical transmission device using same | Hideki Ichimei, Kei Kato | 2023-02-21 |