Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5140517 | IC card with keyboard for prestoring transaction data | Masanori Nagata, Shinya Yoshida, Susumu Yamashita | 1992-08-18 |
| 4959788 | IC card with keyboard for prestoring transaction data | Masanori Nagata, Shinya Yoshida, Susumu Yamashita | 1990-09-25 |