Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7239701 | Key sharing method, secret key generating method, common key generating method and cryptographic communication method in ID-NIKS cryptosystem | Ryuichi Sakai, Masao Kasahara | 2007-07-03 |
| 7016681 | Mobile communication device and data communication method using the same | Koichi Hata, Munehito Matsuda, Hiromi Wada, Atsunobu Kato | 2006-03-21 |