Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976635 | Method of providing IC card service, card terminal, and IC card | Minoru Ashizawa, Masaru Ohki | 2005-12-20 |
| 6931379 | IC card system and IC card | Akiko Sato, Masaru Ohki, Satomi Baba, Yutaka Matsui | 2005-08-16 |