Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802224 | Optical coupler for performing light branching and light mixing/branch filtering in a light communication network | Michitaka Okuta | 1998-09-01 |
| 5410626 | Optical coupler having a tapered fused region | Michitaka Okuta, Tetsuya Suga, Akio Tsugawa | 1995-04-25 |