Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10397133 | Station-side apparatus in optical transmission system and optical transmission system | Saki Hatta, Tomoaki Kawamura, Kenji Kawai, Nobuyuki Tanaka, Satoshi Shigematsu +2 more | 2019-08-27 |
| 10193630 | Station-side device and optical transmission system | Namiko Ikeda, Saki Hatta, Satoshi Shigematsu, Nobuyuki Tanaka, Kenji Kawai +5 more | 2019-01-29 |
| 9894007 | Packet transfer processing apparatus and method | Yasuyuki Itoh, Sadayuki Yasuda, Masami Urano, Tsugumichi Shibata | 2018-02-13 |
| 9178616 | Station-side apparatus and frame transfer apparatus | Tomoaki Kawamura, Ritsu Kusaba, Masami Urano, Mamoru Nakanishi | 2015-11-03 |
| 9112772 | OLT and frame transfer control method | Tomoaki Kawamura, Ritsu Kusaba | 2015-08-18 |
| 6545780 | Wavelength allocation method, a transmission equipment and receiving equipment using this method and a wavelength division multiplex transmission system | Noboru Takachio, Masafumi Koga | 2003-04-08 |