Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11378901 | Image forming apparatus capable of suppressing maldistribution of an ion conductive agent on an intermediary transfer member | Yusaku Iwasawa, Ken Yokoyama, Hiroyuki Seki | 2022-07-05 |
| 11334014 | Image forming apparatus | Ken Yokoyama | 2022-05-17 |
| 10747133 | Image-forming apparatus | Yuhei Terui, Noriyoshi Umeda, Tomonori Matsunaga, Shohei Kototani, Masamichi Sato | 2020-08-18 |
| 10459375 | Image forming apparatus | — | 2019-10-29 |
| 10324399 | Image forming apparatus and image forming method | Sara Yoshida, Shinsuke Mochizuki, Tsuneyoshi Tominaga, Kenta Kamikura, Tsutomu Shimano | 2019-06-18 |
| 10234795 | Image forming apparatus having photosensitive member and intermediate transfer member with surface layers containing acrylic resin | — | 2019-03-19 |
| 9665043 | Image forming apparatus utilizing adjustment toner image | Kazuhiro Funatani, Masanori Asai, Shuji Saito, Hiroyuki Seki, Tetsuichiro Fujimoto | 2017-05-30 |
| 9606477 | Image forming apparatus | Kazuhiro Funatani, Tetsuichiro Fujimoto, Hiroyuki Seki, Masanori Asai, Shuji Saito | 2017-03-28 |
| 9599935 | Image forming apparatus with cleaning using cleaning member and charging member | Masanori Asai, Kazuhiro Funatani, Hiroyuki Seki, Shuji Saito, Tetsuichiro Fujimoto | 2017-03-21 |
| 9551960 | Image forming apparatus | Tetsuichiro Fujimoto, Toshiaki Miyashiro | 2017-01-24 |
| 9482993 | Image forming apparatus having containers for toners including wax | — | 2016-11-01 |
| 9477191 | Fixing device with back-up member and nip forming member including a projecting portion projecting toward the back-up member | Noriaki Sato, Hiroshi Kataoka, Eiji Uekawa, Keisuke Mochizuki, Shuji Saito +1 more | 2016-10-25 |
| 9383704 | Grammage detection sensor for recording material and image forming apparatus | Teruhiko Namiki, Shuhei Watanabe, Tsutomu Ishida, Tadashi Okanishi, Motoyasu Muramatsu | 2016-07-05 |
| 9280108 | Fixing device | Noriaki Sato, Hiroshi Kataoka, Eiji Uekawa, Keisuke Mochizuki, Shuji Saito +1 more | 2016-03-08 |
| 9250591 | Ultrasonic wave sensor and image forming apparatus | Tsutomu Ishida, Tadashi Okanishi, Teruhiko Namiki, Motoyasu Muramatsu, Masaki Kobayashi | 2016-02-02 |
| 9141058 | Image forming apparatus with changing photosensitive member speed | Yoshiro Saito, Hiroyuki Seki | 2015-09-22 |
| 9075352 | Image forming apparatus including removal unit for removing developer | Hiroyuki Seki, Takaaki Tsuruya | 2015-07-07 |
| 9052644 | Image forming apparatus | Taku Kanai, Takaaki Tsuruya, Hiroyuki Seki | 2015-06-09 |
| 8731449 | Image forming apparatus with urging member with projected portion to urge sheet against transfer belt | Yoshiro Saito, Tomonori Shida, Hiroyuki Seki | 2014-05-20 |
| 8594525 | Image forming apparatus | Masahide Hirai, Tomoaki Nakai | 2013-11-26 |
| 8442409 | Image forming apparatus including a rotation member circumference calculator and control method thereof | Masahide Hirai, Yoshiro Saito, Kazuhiro Funatani, Hiroyuki Seki, Tatsuya Kinukawa | 2013-05-14 |
| 8270855 | Image forming apparatus | Tomoaki Nakai, Hiroyuki Seki, Kazuhiro Funatani | 2012-09-18 |
| 8185003 | Image forming apparatus and control method thereof featuring image member surface data detection | Masahide Hirai, Yoshiro Saito, Kazuhiro Funatani, Hiroyuki Seki, Tatsuya Kinukawa | 2012-05-22 |