Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045224 | Image formation system adding pattern information to print image based on read pattern information from medium surface for determining if medium is original | Yasuhiro Arai, Atsushi Ugajin, Hirokazu Tsubota, Satoshi Kurashima, Toshio Hisamura +2 more | 2011-10-25 |
| 8031377 | Encrypting image data based on paper fiber properties, printing encrypted image, and decrypting encrypted image | Atsushi Ugajin, Toshio Hisamura, Hirokazu Tsubota, Satoshi Kurashima, Osamu Yasui +2 more | 2011-10-04 |