Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7113798 | Portable telephone system and communication control method for portable telephone set | — | 2006-09-26 |
| 7065551 | Data distribution method, system, and apparatus and recording medium recording method | Ryuhei Fujiwara | 2006-06-20 |
| 6625455 | Portable telephone system and communication control method for portable telephone set in a restricted zone | — | 2003-09-23 |
| 6415331 | Method of updating accumulated data with middleware and server system performing the same | — | 2002-07-02 |
| 6205137 | Multimedia processing system with controller exclusively operating on extracted control signals | — | 2001-03-20 |
| 5920865 | Information server system | — | 1999-07-06 |
| 5740160 | Setting network identifier in wireless local area network | Yoshikazu Ikegami | 1998-04-14 |