Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501840 | Cryptographic processing apparatus cryptographic processing method and recording medium for recording a cryptographic processing program | — | 2002-12-31 |
| 6496930 | Message receiving apparatus and message transmitting apparatus | Takatoshi Ono, Makoto Tatebayashi, Syunji Harada, Yasuo Okumura | 2002-12-17 |