Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6072924 | Optical switch and method for assembling the same | Makoto Sato, Fusao Shimokawa, Mitsuhiro Makihara, Hiroyoshi Togo | 2000-06-06 |
| 5784515 | Optical fiber cross connection apparatus and method | Naoyuki Tamaru, Tsuneo Kanai, Kazumasa Kaneko, Joji Yamaguchi, Tetsufumi Shoji | 1998-07-21 |
| 4287589 | Transmission-reception apparatus | Hiroya Nakamura | 1981-09-01 |