Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7020486 | Portable communication terminal | Tosaku Tanada, Kentaro Nagahama, Hiroshi Matsuya, Toshiya Tamura | 2006-03-28 |
| 5983090 | Mobile communication system with access function to computer network | — | 1999-11-09 |
| 5898708 | Error correction apparatus and method | Toru Tateishi, Katsumi Murano, Hiroaki Sato | 1999-04-27 |
| 5638384 | Data communication system | Katsuhiko Hayashi, Toru Tateishi, Katsumi Murano, Hiroaki Sato | 1997-06-10 |