Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816969 | Digital signature generating method and digital signature verifying method | Kunihiko Miyazaki, Ryoichi Sasaki, Kazuo Takaragi, Hisanori Mishima, Takeshi Matsuki +3 more | 2004-11-09 |