Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885777 | Electronic transaction system | Kazuo Takaragi, Ryoichi Sasaki, Nobuhiro Kurashiki | 1989-12-05 |
| 4885788 | IC card | Kazuo Takaragi, Ryoichi Sasaki | 1989-12-05 |
| 4831659 | Method for image data coding | Shinichiro Miyaoka, Ryoichi Sasaki | 1989-05-16 |
| 4797921 | System for enciphering or deciphering data | — | 1989-01-10 |