Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045857 | Optical switching device, optical access network, optical switching method, program, and recording medium | Takumi Nomura, Hiromi Ueda, Hiroaki Kurokawa, Toshinori Tsuboi, Hiroyuki Kasai +1 more | 2011-10-25 |
| 7616899 | Synchronizing method in optical access network, optical switching device, center device, and remote device | Takumi Nomura, Hiromi Ueda, Hiroyuki Kasai, Toshinori Tsuboi, Hiroaki Kurokawa +2 more | 2009-11-10 |
| 7577362 | Optical access network method, optical access network, and optical switch for optical access network | Hiroyuki Kasai, Toshinori Tsuboi, Hiromi Ueda, Takumi Nomura, Hirokazu Kobayashi +1 more | 2009-08-18 |