Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7187692 | Information communication system, noncontact IC card, and IC chip | Mitsuyoshi Ooya | 2007-03-06 |
| 7017825 | IC card and data processing method therefor | Mitsuyoshi Ohya | 2006-03-28 |