Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5026134 | Optical communication apparatus with base for fixing elements | Mitsuru Sugawara, Fumihiko Shimizu, Masayuki Takami | 1991-06-25 |
| 4997252 | Optical fiber communication connection device | Mitsuru Sugawara, Masahiro Sakakibara | 1991-03-05 |
| 4989943 | Optical fiber alignment device | Mitsuru Sugawara | 1991-02-05 |