Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392968 | Optical device, optical modulation device and optical transmission device | Kei Kato | 2025-08-19 |
| 12345933 | Optical device and optical transmission apparatus using same | Kei Kato | 2025-07-01 |
| 12339529 | Optical modulator and optical transmission device using same | Minoru Shinozaki, Yu Kataoka | 2025-06-24 |
| 12321047 | Optical modulator and optical transmission device using same | Kei Kato | 2025-06-03 |