Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372817 | Optical waveguide element, and optical modulation device and optical transmission device using same | Masayuki Motoya | 2025-07-29 |
| 12332534 | Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus | Shotaro HIRATA, Masayuki Motoya, Yu Kataoka, Shingo Takano | 2025-06-17 |
| 12265310 | Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus | Yu Kataoka | 2025-04-01 |
| 12204185 | Optical waveguide element and optical modulator | Shingo Takano | 2025-01-21 |