Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874934 | IC card which displays embossed information to prevent counterfeiting | Akito Ueshin, Shiro Okajima | 1989-10-17 |
| 4775785 | Processing apparatus for a portable storage medium | Shinichi Ishigame | 1988-10-04 |