Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827258 | Electronic purse | Kenji Matsumoto, Shigeyuki Itoh, Masayuki Inoue | 2004-12-07 |
| 6732272 | Program writable integrated circuit card and method therefore | Masayuki Inoue, Shigeyuki Itoh, Kenji Matsumoto | 2004-05-04 |