Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6933852 | Optical switching apparatus and optical communication network system | Sunao Kakizaki, Hideaki Tsushima, Yasuyuki Fukashiro | 2005-08-23 |
| 6839480 | Optical switching apparatus, optical transmission system and method of setting up for optical signal route | Sunao Kakizaki, Hideaki Tsushima, Yasuyuki Fukashiro, Takashi Mori | 2005-01-04 |