Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9912429 | Transmission device and transmission system for transmitting and receiving time division multiplexing signal in optical transport network | Masayuki Ono, Kanta Yamamoto | 2018-03-06 |
| 9887772 | Transmission device, transmission network system, and path delay measuring method | Naoya Okada, Ryuichi Moriya, Tsuyoshi Ohigawa, Kenichi Yajima | 2018-02-06 |
| 9749265 | Transmission device and transmission method | — | 2017-08-29 |
| 9729445 | Communication device and communication control method | Hiromi Fukino | 2017-08-08 |
| 9548929 | Frame transfer apparatus and frame transfer method | — | 2017-01-17 |
| 9497077 | Apparatus for performing loop-free transmission in a communication network | Kenichi Yajima | 2016-11-15 |
| 9426070 | System and method for controlling transfer of a frame | Tadayuki Nishihashi | 2016-08-23 |
| 9426058 | Transmission equipment and transmission method | — | 2016-08-23 |
| 9331927 | Communication system, communication device, and communication method | Masaaki Saito | 2016-05-03 |
| 9325613 | Communication device and address learning method | — | 2016-04-26 |
| 9118537 | Reception apparatus, communication apparatus, transmission apparatus, receiving method, and transmitting method | Ryoko Tamura, Tetsuo Ehara | 2015-08-25 |
| 9118580 | Communication device and method for controlling transmission priority related to shared backup communication channel | Koji Hachiya, Tetsuo Ehara | 2015-08-25 |
| 9001839 | Communication control device and method | Koji Hachiya | 2015-04-07 |
| 8976812 | Communication apparatus and band control method | — | 2015-03-10 |
| 8923291 | Communication apparatus and communication method | — | 2014-12-30 |
| 8780736 | Communication apparatus and heat generation suppressing method | Dai Hagimura | 2014-07-15 |
| 8750092 | Packet transmission device | Koji Hachiya, Tetsuo Ehara | 2014-06-10 |
| 8559453 | Routing apparatus | Michio Kuramoto, Kanta Yamamoto | 2013-10-15 |
| 8498218 | Communication apparatus and method in a communication network system | — | 2013-07-30 |
| 8493850 | Communication apparatus and frame transmission method | Yuichiro Katsura, Tetsuo Ehara | 2013-07-23 |
| 8477643 | Communication apparatus and method for controlling the communication apparatus | — | 2013-07-02 |
| 8477777 | Bridge apparatus and communication method | Michio Kuramoto | 2013-07-02 |
| 8416680 | Apparatus and method for controlling data communication | — | 2013-04-09 |
| 8369223 | Packet processing apparatus, interface unit and method thereof | Koji Hachiya, Tetsuo Ehara, Kanta Yamamoto, Junichi Kawaguchi, Yuichiro Katsura | 2013-02-05 |
| 8345696 | Router and packet discarding method | Michio Kuramoto, Kanta Yamamoto | 2013-01-01 |