Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5736781 | IC module and a data carrier employing the same | — | 1998-04-07 |
| 5544014 | IC card having a built-in semiconductor integrated circuit device | — | 1996-08-06 |
| 5442165 | Secure IC card system with reusable prototype IC card | Toshinari Kondo, Yoshihiro Shona | 1995-08-15 |
| 5034597 | IC cards and information storage circuit therefor | Shintaro Kotani, Sadao Watahiki, Kohji Tanagawa | 1991-07-23 |