Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6415350 | Card-type storage medium | — | 2002-07-02 |
| 6371377 | Card type recording medium and access control method for card type recording medium and computer-readable recording medium having access control program for card type recording medium recorded | Shuichi Tsubura | 2002-04-16 |