Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947029 | Handwritten data input device and method, and authenticating device and method | Masaji Katagiri, Toshiaki Sugimura, Hirotaka Nakano, Hiroshi Inaba, Tsutomu Akasaka +1 more | 2005-09-20 |
| 6563939 | Electronic signature verification method and system | — | 2003-05-13 |
| 6393138 | Method of creating registration signature data for computerized signature collation scheme | — | 2002-05-21 |