Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816969 | Digital signature generating method and digital signature verifying method | Kunihiko Miyazaki, Kazuo Takaragi, Seiichi Susaki, Hisanori Mishima, Takeshi Matsuki +3 more | 2004-11-09 |
| 6775775 | Method of physical individual authentication and system using the same | Hiroshi Yoshiura, Mitsuru Iwamura | 2004-08-10 |