Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7672296 | Real-time communications system of high communications quality and media terminal apparatus | Hiromi Aoyagi, Shinji Usuba, Hiroshi Kuboki | 2010-03-02 |
| 7573989 | Telephone communications apparatus | Shinji Usuba, Hiromi Aoyagi | 2009-08-11 |
| 7321767 | Switching system connecting a radio communication terminal via a LAN line to a public switched network or a leased line | Yousuke Mizutani, Yasubumi Chimura | 2008-01-22 |