Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422628 | Optical waveguide element, and optical modulation device and optical transmission apparatus using same | Shingo Takano, Yu Kataoka | 2025-09-23 |
| 12332534 | Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus | Masayuki Motoya, Kosuke OKAHASHI, Yu Kataoka, Shingo Takano | 2025-06-17 |
| 11977284 | Optical waveguide device, manufacturing method of optical modulation element, optical modulator, optical modulation module, and optical transmission apparatus | Masayuki Motoya, Kosuke OKAHASHI, Yu Kataoka, Shingo Takano | 2024-05-07 |