Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10326705 | Communication device and communication method | Kazuo Sugai, Takeshi Kumagai, Yuichi Ishikawa | 2019-06-18 |
| 9667548 | Relay apparatus and relay method | Yuichi Ishikawa, Kentarou Sugawara, Takeshi Kumagai | 2017-05-30 |
| 9240894 | Multicast snooping on layer 2 virtual private network | Teruo Kaganoi | 2016-01-19 |
| 8437349 | Multicast snooping on layer 2 virtual private network | Teruo Kaganoi | 2013-05-07 |
| 7710962 | Packet forwarding apparatus and method for multicast packets | Yasuhiro Kodama, Kazuo Sugai, Shinichi Akahane, Hiroki Yano, Kaoru Okano | 2010-05-04 |