Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7269852 | Authenticity output method and its apparatus, and processing program | Kazuya Uemura, Eiichi Kamata, Atsushi Kikuta | 2007-09-11 |
| 7010569 | Method of information display and communication system using the method | Hisashi Toyoshima, Chikako Tsuchiyama | 2006-03-07 |
| 6968455 | Method of referring to digital watermark information embedded in a mark image | Takashi Shinoda, Hiroshi Asakai | 2005-11-22 |