Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5165043 | Memory card system and access method for memory card | Koji Miyahara, Shigeo Kikuta | 1992-11-17 |
| 4982071 | Information recording card and charge making/paying system employing the same | Kanzen Goto, Mitsuo Chiba | 1991-01-01 |