Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5301786 | Method and apparatus for validating a paper-like piece | — | 1994-04-12 |
| 5002174 | Coin validator | — | 1991-03-26 |
| 4951800 | Coin validator | — | 1990-08-28 |
| 4658125 | Gift coupon detectable by bill sorter | Kenjiro Kachi, Hideaki Onda, Yukichi Hayashi, Masayuki Watanabe, Masaki Akagawa +1 more | 1987-04-14 |