Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8606882 | Communication terminal, communication method, and recording medium | — | 2013-12-10 |
| 8229487 | PTT server, gate apparatus, communication system, program and communication method | — | 2012-07-24 |
| 7599683 | Speech communication system and talker right reservation method | — | 2009-10-06 |
| 7187951 | Mobile telephone, method of controlling display thereon, and program for said method | — | 2007-03-06 |