Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9712449 | Packet transfer device and power supply control method for QoS control circuit | Naohisa Koie, Takeshi Aimoto | 2017-07-18 |
| 9596191 | Network relay system and network relay device | Takashi Nagumo, Masashi Uchiya, Mitsuo Yamamoto, Nobuhito Matsuyama | 2017-03-14 |
| 9240894 | Multicast snooping on layer 2 virtual private network | Naoya Kumita | 2016-01-19 |
| 9019842 | Relay device, network system, and network failure detection method | Shinich Akahane | 2015-04-28 |
| 8937869 | Communication device, communication system, and communication fault detection method | Shinichi Akahane, Tomohiko Kohno, Kazuo Sugai | 2015-01-20 |
| 8826045 | Assessing conditions of power consumption in computer network | Yasuhiro Kodama, Mitsuru Nagasaka, Shinichi Akahane, Tomohiko Kouno, Takeki Yazaki | 2014-09-02 |
| 8755288 | Network system, layer 2 switch, and method of detecting occurrence of a fault in a network | Shinichi Akahane, Tetsuya Nagata | 2014-06-17 |
| 8565246 | Packet relay apparatus | Shinsuke Suzuki | 2013-10-22 |
| 8437349 | Multicast snooping on layer 2 virtual private network | Naoya Kumita | 2013-05-07 |
| 8340092 | Switching system and method in switching system | Takeshi Aimoto | 2012-12-25 |
| 8335934 | Assessing conditions of power consumption in computer network | Yasuhiro Kodama, Mitsuru Nagasaka, Shinichi Akahane, Tomohiko Kouno, Takeki Yazaki | 2012-12-18 |
| 8259718 | Network relay apparatus | Shinichi Akahane, Tetsuya Nagata | 2012-09-04 |
| 8064353 | Communication device, communication system, and communication fault detection method | Shinichi Akahane, Tomohiko Kohno, Kazuo Sugai | 2011-11-22 |
| 7095742 | Packet processing unit | Dai Shizume, Yasuyuki Ikegai | 2006-08-22 |
| 6772269 | Bus switch and bus switch system for increased data transfer | — | 2004-08-03 |
| 6614676 | Content-addressable memory device | — | 2003-09-02 |
| 6513078 | Data transfer control apparatus, data transfer control system and data transfer control method | Toshiyuki Kanoh | 2003-01-28 |
| 6425048 | Memory pool control circuit and memory pool control method | — | 2002-07-23 |
| 6108747 | Method and apparatus for cyclically searching a contents addressable memory array | — | 2000-08-22 |
| 6026450 | Data transfer control system which uses fields of a table to control the data transfer | Akio Harasawa | 2000-02-15 |
| 5953315 | ATM cell sending system | — | 1999-09-14 |
| 5854783 | Cell interval determination apparatus for usage parameter control | — | 1998-12-29 |
| 5835418 | Input/output buffer memory circuit capable of minimizing data transfer required in input and output buffering operations | Akio Harasawa | 1998-11-10 |