Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365254 | Electric vehicle and electric vehicle system | Naoshi Sugawara, Junichi Yanagita, Kazuhiro Imaie | 2025-07-22 |
| 12115884 | Electric power supply systems and power supply equipment for electric vehicle | Kazuhiro Imaie, Junichi Yanagita | 2024-10-15 |
| 11640337 | Data recovery of distributed data using redundant codes | Kazuki Mizukami | 2023-05-02 |
| 10884881 | Scale-out storage system and configuration information control method for implementing high-availability, high-speed failover | Youji Nakatani, Masaki Muraoka, Atsushi Miyagaki | 2021-01-05 |
| 8687643 | Data transmission device | Minoru Nagai | 2014-04-01 |
| 8630183 | Packet transfer system | — | 2014-01-14 |
| 8606936 | Communication system, session control management server and session control method | — | 2013-12-10 |
| 8537996 | Selective response unit | Yasuko Takeyama | 2013-09-17 |
| 8335211 | Communication system and control server | Yasuo Kogure | 2012-12-18 |
| 8320384 | Packet forwarding apparatus suitable for real time packets | Ken Oouchi, Yasuo Kogure | 2012-11-27 |
| 8125980 | User terminal connection control method and apparatus | Masayuki Hino | 2012-02-28 |
| 8094660 | VLAN server | Daiki Nozue, Norihiro Kambe, Shinsuke Shimizu | 2012-01-10 |
| 8082579 | Access server and connection restriction method | Shinsuke Shimizu, Daiki Nozue | 2011-12-20 |
| 8077719 | Packet switching apparatus | Kazuho Miki, Ken'ichi Sakamoto, Koji Wakayama, Tetsuhiko Hirata | 2011-12-13 |
| 7936750 | Packet transfer device and communication system | Akihito Tsuzuki, Yasuo Kogure | 2011-05-03 |
| 7929543 | Packet forwarding apparatus having gateway load distribution function | — | 2011-04-19 |
| 7924882 | Packet forwarding apparatus suitable for forwarding extended frame | Minoru Nagai | 2011-04-12 |
| 7848342 | Multicast accounting control system and broadband access server | Masanori Kamata, Kengo Ijima, Ken Oouchi, Takatoshi Kajiwara | 2010-12-07 |
| 7835355 | Packet forwarding apparatus having gateway selecting function | — | 2010-11-16 |
| 7792972 | Packet forwarding control method and packet forwarding apparatus | Masanori Kamata, Tadashi Takahashi | 2010-09-07 |
| 7738790 | WDM type passive optical network | Daiki Nozue, Noriyuki Sueyoshi | 2010-06-15 |
| 7733859 | Apparatus and method for packet forwarding in layer 2 network | Tadashi Takahashi, Takashi Yokoyama, Masanori Kamata | 2010-06-08 |
| 7725030 | WDM type passive optical network | Daiki Nozue, Noriyuki Sueyoshi | 2010-05-25 |
| 7710985 | Bridged LAN and communication node therefor | Daiki Nozue | 2010-05-04 |
| 7636360 | Dynamic VLAN ID assignment and packet transfer apparatus | Minoru Nagai, Migaku Ota | 2009-12-22 |