Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976625 | Electronic purse | Kenji Matsumoto, Shigeyuki Itoh, Masayuki Inoue | 2005-12-20 |
| 6938165 | Program writable IC card and method thereof | Masayuki Inoue, Shigeyuki Itoh, Kenji Matsumoto | 2005-08-30 |
| 6902106 | Electronic money transaction system with a radio transmitter and receiver using a portable telephone | Kenji Matsumoto, Shigeyuki Itoh | 2005-06-07 |
| 6840448 | Portable information processing apparatus | Shinichiro Fukushima, Atsushi Yoshioka, Isao Nakagawa, Shuzo Matsumoto, Kiyoharu Kishimoto | 2005-01-11 |