Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292604 | Optical module | — | 2025-05-06 |
| 11862930 | Optical module having restriction body fixed to stem and having a linear thermal expansion coefficient smaller than that of the stem | Tatsuki OTANI, Norio Okada | 2024-01-02 |
| 11206087 | Optical module and optical transmitter | Tatsuki OTANI, Norio Okada | 2021-12-21 |
| 10168493 | Optical module | Norio Okada, Nobuo Ohata | 2019-01-01 |