Issued Patents 2025
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422628 | Optical waveguide element, and optical modulation device and optical transmission apparatus using same | Shotaro HIRATA, Shingo Takano | 2025-09-23 |
| 12399413 | Optical waveguide element and optical modulator | Kenta OISHI, Shingo Takano | 2025-08-26 |
| 12339529 | Optical modulator and optical transmission device using same | Hideki Ichimei, Minoru Shinozaki | 2025-06-24 |
| 12332534 | Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus | Shotaro HIRATA, Masayuki Motoya, Kosuke OKAHASHI, Shingo Takano | 2025-06-17 |
| 12265310 | Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus | Kosuke OKAHASHI | 2025-04-01 |
| 12259631 | Optical control element, optical modulation device using same, and optical transmission apparatus | Norikazu Miyazaki | 2025-03-25 |
| 12197052 | Optical waveguide element | Norikazu Miyazaki | 2025-01-14 |