Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9703315 | Transmission device and time synchronization method | Mitsuya Kawashita, Shota Mori | 2017-07-11 |
| 8295709 | Variable dispersion compensation device | Tsukasa Takahashi | 2012-10-23 |
| 8200091 | Wavelength division multiplexing device and method of detecting input break of optical signal | Takeshi Ono | 2012-06-12 |
| 7817925 | High-speed dispersion compensation control apparatus | Toshiki Honda, Takeshi Ono, Katsumi Fukumitsu, Masakazu Ozaki | 2010-10-19 |
| 7720384 | Wavelength division multiplexing apparatus | Takeshi Ono, Toshiki Honda | 2010-05-18 |
| 7590147 | LAN signal transmitting method and apparatus adapted to shut down a LAN signal if extracted link information indicates link down | Takeshi Ono | 2009-09-15 |
| 7228075 | Wavelength multiplexing apparatus and signal conversion apparatus | Takeshi Ono, Hiroya Egoshi, Tadashi Soga | 2007-06-05 |
| 7103274 | Cross-connect apparatus | Hiroya Egoshi, Akio Takayasu, Yukiko Miyazaki | 2006-09-05 |