Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8368734 | Exposure device, image forming apparatus, exposure control method and computer-readable medium | Ken Tsuchiya, Michio Taniwaki, Fumihiko Ogasawara, Osamu Yasui, Michihiro Inoue | 2013-02-05 |
| 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, 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, Yoshitake Matsubara, Hirokazu Tsubota, Satoshi Kurashima, Osamu Yasui +2 more | 2011-10-04 |
| 8022974 | Exposure device, image forming apparatus and computer readable medium storing program for exposure control | Fumihiko Ogasawara, Osamu Yasui, Michihiro Inoue, Ken Tsuchiya, Michio Taniwaki | 2011-09-20 |
| 7920079 | Serial signal receiving device, serial transmission system and serial transmission method | Hirokazu Tsubota, Atsushi Ugajin | 2011-04-05 |
| 7663654 | Image formation device and method for correcting periodic variations | Yasuhiro Arai, Kenji Koizumi, Kazuhiro Hama, Toshiki Matsui, Kozo Tagawa +3 more | 2010-02-16 |
| 7486410 | Image forming apparatus, image forming method and storage medium | — | 2009-02-03 |