Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12300973 | Integrated photonic device and photonic integrated circuit using the same | Kazumasa Takabayashi | 2025-05-13 |
| 12242143 | Optical device and optical communication apparatus | Yoshihiko Yoshida, Nobuaki Mitamura, Yoshinobu Kubota | 2025-03-04 |
| 12197054 | Optical device and optical communication apparatus | Masaharu Doi, Yoshihiko Yoshida | 2025-01-14 |