Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719634 | IC card, terminal device and service management server | Yusuke Mishina, Hiroko Sukeda, Masaru Ohki | 2004-04-13 |
| 6575835 | IC card, terminal device and service management server | Yusuke Mishina, Hiroko Sukeda, Masaru Ohki | 2003-06-10 |
| 5696916 | Information storage and retrieval system and display method therefor | Itsuko Kiuchi, Hiromichi Fujisawa, Tetsuya Hashimoto | 1997-12-09 |