Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422628 | Optical waveguide element, and optical modulation device and optical transmission apparatus using same | Shotaro HIRATA, Yu Kataoka | 2025-09-23 |
| 12399413 | Optical waveguide element and optical modulator | Kenta OISHI, Yu Kataoka | 2025-08-26 |
| 12332534 | Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus | Shotaro HIRATA, Masayuki Motoya, Kosuke OKAHASHI, Yu Kataoka | 2025-06-17 |
| 12204185 | Optical waveguide element and optical modulator | Kosuke OKAHASHI | 2025-01-21 |