Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6917685 | IP key management mechanism with divergence barrier increasing entropy against computational crypto-analyses | Eiji Watanabe, Hiroshi Take, Yoshihiro Sekiguchi, Yasuo Tojima | 2005-07-12 |