Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9264253 | Network system | Tomoyoshi Tatsumi, Shingo Sugawara | 2016-02-16 | |
| 8948168 | Network system | Tomoyoshi Tatsumi, Shingo Sugawara | 2015-02-03 | |
| 8630166 | Ring network and network relay device | Hitoshi Kuwata | 2014-01-14 | |
| 8310917 | Switching hub and ring network | Kenji Aoshima | 2012-11-13 | |
| 8259589 | Network relay device, network connection confirmation method, and network | Daisuke Adachi | 2012-09-04 | |
| 7920567 | Switching hub and LAN system | Akihiro Sekiguchi | 2011-04-05 | $209,000 |
| 7742478 | Reply communication apparatus and ARP reply communication apparatus | Akihiro Sekiguchi | 2010-06-22 | $128,000 |
| 7050468 | Multiplexed signal transmitter/receiver, communication system, and multiplexing transmission method | Masaru Kuriyama | 2006-05-23 | $135,000 |