Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487330 | Optical switch, method of manufacturing same, and optical communication equipment using same | Kazutaka Sato, Teruhisa Akashi, Masaru Muranishi, Norifumi Komatsu, Dai Kobayashi +1 more | 2002-11-26 |
| 6463191 | Optical switching device and optical switching method | Hideaki Tsushima, Masahiro Ojima, Kazutaka Sato | 2002-10-08 |