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, Satoshi Kurashima, Toshio Hisamura, Masaki Fujise +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, Satoshi Kurashima, Osamu Yasui +2 more | 2011-10-04 |
| 7920079 | Serial signal receiving device, serial transmission system and serial transmission method | Toshio Hisamura, Atsushi Ugajin | 2011-04-05 |