Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835375 | Device for reading/writing IC card as external memory | Norio Shimamura | 1989-05-30 |
| 4833310 | Device for reading and writing magnetic and/or IC card as external memory | Norio Shimamura | 1989-05-23 |