Issued Patents 2011
Showing 1–3 of 3 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, Yoshitake Matsubara, Hirokazu Tsubota, Satoshi Kurashima +2 more | 2011-10-04 |
| 8022974 | Exposure device, image forming apparatus and computer readable medium storing program for exposure control | Fumihiko Ogasawara, Michihiro Inoue, Ken Tsuchiya, Michio Taniwaki, Toshio Hisamura | 2011-09-20 |