Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9532291 | Network system and communication log analyzer | Kunihiko Toumura, Yukiko Takeda | 2016-12-27 |
| 9319910 | Communication system | Yusuke Shomura, Ryouichi Tanaka, Tsuyoshi Kajita, Seiya KUDO | 2016-04-19 |
| 9124531 | VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus | Kenichi Sakamoto, Kazuyoshi Hoshino, Shiro Tanabe, Noboru Endo | 2015-09-01 |
| 9019969 | Gateway for interconnecting a wireless access function with a network access function | Kazuhito Yaegashi | 2015-04-28 |
| 8942735 | Network system and communication log analyzer | Kunihiko Toumura, Yukiko Takeda | 2015-01-27 |
| 8923866 | Handover management apparatus, base station, and handover management method | Ryouichi Tanaka, Tsuyoshi Kajita, Tomonori Yamamoto | 2014-12-30 |
| 8401384 | Optical access system, optical switching unit and optical line terminal | Hiroki Ikeda, Michitaka Okuno, Kenichi Sakamoto | 2013-03-19 |
| 8380065 | Optical access system and optical line terminal | Michitaka Okuno, Kenichi Sakamoto, Hiroki Ikeda | 2013-02-19 |
| 8218544 | Packet communicating apparatus | Takashi Takeuchi | 2012-07-10 |
| 8219131 | Cognitive wireless communication system | Ryouji Yamaoka, Junji Yamamoto, Seishi Hanaoka, Takehiro Morishige, Masashi Yano +2 more | 2012-07-10 |
| 8077719 | Packet switching apparatus | Kazuho Miki, Ken'ichi Sakamoto, Tetsuhiko Hirata, Hiroaki Miyata | 2011-12-13 |
| 8014420 | Label switching type of packet forwarding apparatus | Kazuho Miki, Kenichi Sakamoto | 2011-09-06 |
| 7983281 | VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus | Kenichi Sakamoto, Kazuyoshi Hoshino, Shiro Tanabe, Noboru Endo | 2011-07-19 |
| 7881311 | VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus | Kenichi Sakamoto, Kazuyoshi Hoshino, Shiro Tanabe, Noboru Endo | 2011-02-01 |
| 7869441 | Variable length packet communication device | Kenichi Sakamoto, Nobuhito Matsuyama, Takeshi Aimoto, Noboru Endo, Norihiko Moriwaki | 2011-01-11 |
| 7843909 | Packet communicating apparatus | Takashi Takeuchi | 2010-11-30 |
| 7706271 | Method of transmitting packets and apparatus of transmitting packets | Norihiko Moriwaki | 2010-04-27 |
| 7633954 | Apparatus and method for interworking between MPLS network and non-MPLS network | Kenichi Sakamoto, Takeshi Aimoto, Takahisa Miyamoto | 2009-12-15 |
| 7586947 | Label switching type of packet forwarding apparatus | Kazuho Miki, Kenichi Sakamoto | 2009-09-08 |
| 7518998 | IP packet communication apparatus | Kenichi Sakamoto, Noboru Endo, Toshiki Sugawara, Kazuyoshi Hoshino | 2009-04-14 |
| 7403477 | Packet communicating apparatus | Takashi Takeuchi | 2008-07-22 |
| 7298752 | Packet communication device | Norihiko Moriwaki | 2007-11-20 |
| 7173932 | Packet switching apparatus | Kazuho Miki, Kenichi Sakamoto, Tetsuhiko Hirata, Hiroaki Miyata | 2007-02-06 |
| 7079544 | Apparatus and method for interworking between MPLS network and non-MPLS network | Kenichi Sakamoto, Takeshi Aimoto, Takahisa Miyamoto | 2006-07-18 |
| 7016373 | Packet switching apparatus | Ken'ichi Sakamoto, Hiroaki Miyata, Shiro Tanabe | 2006-03-21 |