Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4523802 | Unitary mounting structure for semiconductor laser and optical fiber | Haruo Sakaguchi, Norio Seki, Akira Okada | 1985-06-18 |
| 4490020 | Coupling system for output light of semiconductor laser | Haruo Sakaguchi, Norio Seki | 1984-12-25 |
| 4408831 | Optical switch | Haruo Sakaguchi, Norio Seki, Hiroharu Wakabayashi | 1983-10-11 |