Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8634426 | Transmission device with function of packetizing and transmitting | Masatoshi Shibasaki, Naohiro Sakakida, Yoshihiro Ashi, Kazutaka Sakai | 2014-01-21 |
| 8306066 | Transmission device | Masatoshi Shibasaki, Takao Fukushima, Toshiyuki Atsumi | 2012-11-06 |
| 7580636 | Optical switch and method for controlling optical path thereof | — | 2009-08-25 |
| 7447430 | Optical cross connect apparatus and optical transmission system | Tomohiro Mori, Yasuyuki Fukashiro, Hideaki Tsushima | 2008-11-04 |