Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6553492 | Client-server system, server access authentication method, memory medium stores server-access authentication programs, and issuance device which issues the memory medium contents | — | 2003-04-22 |
| 6047376 | Client-server system, server access authentication method, memory medium stores server-access authentication programs, and issuance device which issues the memory medium contents | — | 2000-04-04 |