| 8786653 |
Light quantity control device, exposure device, and image forming apparatus |
— |
2014-07-22 |
| 8237762 |
Exposure device for controlling light emitting elements |
Atsushi Ugajin, Kohei Shioya, Tetsuya Hori, Tomoaki SAKITA |
2012-08-07 |
| 8217973 |
Exposure device for controlling light emitting elements |
Kohei Shioya, Atsushi Ugajin, Tetsuya Hori, Tomoaki SAKITA |
2012-07-10 |
| 8059146 |
Exposure device, image forming apparatus, and computer-readable medium |
Tomoaki SAKITA, Atsushi Ugajin, Kohei Shioya, Tetsuya Hori |
2011-11-15 |
| 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, 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, Hirokazu Tsubota, Osamu Yasui +2 more |
2011-10-04 |