Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7639816 | Mobile communication terminal device and server device | Tadao Takami | 2009-12-29 |
| 7286851 | Communication terminal capable of utilizing multiple radio communication systems, and software transmitting server and IC card writer for communication software | — | 2007-10-23 |
| 6804507 | Mobile paging telephone with an automatic call back function | Hironari Ishikawa, Hitoshi Itakura | 2004-10-12 |
| 6556552 | Signal strength measurement method and device | Tadao Takami, Akihiro Higashi, Kiyohito Nagata | 2003-04-29 |
| 6466782 | Mobile paging telephone with an automatic call back function | Hironari Ishikawa, Hitoshi Itakura | 2002-10-15 |