Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332668 | Remote support system and remote support method | Rio Suda, Hirofumi Momose, Junji Kawamuro, Shuichi TAMAGAWA, Kosuke AKATSUKA +1 more | 2025-06-17 |
| 9126000 | Artificial ventilation apparatus | Yutaka Usuda, Shinji Yamamori, Yasushi Nagai | 2015-09-08 |
| 9088505 | Communication control unit and communication control method applied for multi-cast-supporting LAN | — | 2015-07-21 |
| 8521894 | Communication control unit and communication control method applied for multi-cast-supporting LAN | — | 2013-08-27 |
| 8516139 | Communication control unit and communication control method applied for multicast-supporting LAN | — | 2013-08-20 |
| 8429283 | Communication control unit and communication control method applied for multi-cast supporting LAN | — | 2013-04-23 |
| 8370512 | Communication control unit and communication control method applied for multicast-supporting LAN | — | 2013-02-05 |
| 8364834 | Communication control unit and communication control method applied for multicast-supporting LAN | — | 2013-01-29 |
| 8185657 | Data generating device | — | 2012-05-22 |
| 7640124 | Delay failure test circuit | Hideaki Konishi, Ryuji Shimizu, Masayasu Hojo, Haruhiko Abe, Satoshi Masuda | 2009-12-29 |
| 7627690 | Data generating device | — | 2009-12-01 |
| 7623536 | Network relaying method and device | — | 2009-11-24 |
| 7487251 | Communication control unit and communication control method applied for multicast-supporting LAN | — | 2009-02-03 |
| 7319668 | Network system capable of selecting optimal route according to type of transmitted data | — | 2008-01-15 |
| 7230915 | Upper and lower relays and network system | — | 2007-06-12 |
| 7212510 | Wireless LAN system and a transmitter-receiver in a wireless LAN system | — | 2007-05-01 |
| 7200116 | Communication device and method, and system | — | 2007-04-03 |
| 6977896 | IP communications network system and QoS guaranteeing apparatus | — | 2005-12-20 |
| 6898641 | Network routing system and routing apparatus | — | 2005-05-24 |
| 6567851 | Multicast-session-management device | — | 2003-05-20 |
| 6457059 | Method and apparatus for transmitting multicast data in a switched LAN environment | — | 2002-09-24 |
| 6359873 | Wireless LAN system and a transmitter-receiver in a wireless LAN system | — | 2002-03-19 |
| 5724346 | Means for maintaining connectable access points owing to movement of a mobile station between cells in a wireless LAN system | Kiyotaka Shikata, Osamu Sekihata | 1998-03-03 |
| 5187849 | Fixing roll for electrophotography having an outer fluoro-resin coating | — | 1993-02-23 |
| 4932200 | Rotary ring for spinning machinery | Kunio Etuya, Takeshi Yoshikawa, Noboru Ishibashi | 1990-06-12 |