Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10085268 | Communications device and communications system | — | 2018-09-25 |
| 5408082 | IC card with hierarchical file structure | Yoshihiro Mutoh, Masaaki Ueda, Nobunari Murai, Takeshi Nakatomi | 1995-04-18 |
| 5227613 | Secure encrypted data communication system having physically secure IC cards and session key generation based on card identifying information | Mamoru Ito, Toshio Tsuji | 1993-07-13 |
| 5109152 | Communication apparatus | Mamoru Itoh | 1992-04-28 |