Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5204512 | Device for controlling communication between electronic information cards and host computer to be kept in secret | Toshiharu Ieki, Takafumi Kobayashi, Norio Shimamura, Takeshi Watanabe | 1993-04-20 |