Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9971269 | Discharging method for latent image bearer and image forming apparatus | Ryouhei Ohi, Yuuji Meguro, Yasuhiro Fujiwara | 2018-05-15 |
| 9500992 | Developing device having a powder conveyor, process cartridge, and image forming apparatus including the same | Tomofumi Yoshida, Rie Mitani, Yasuhide Ohkubo, Yuusuke Furuichi | 2016-11-22 |
| 9229372 | Developing device, process cartridge, and image forming apparatus | Tomofumi Yoshida, Yasuhide Ohkubo, Yuusuke Furuichi, Rie Mitani | 2016-01-05 |
| 9201393 | Toner container, process cartridge, and image forming apparatus | Yuusuke Furuichi, Rie Mitani, Hidekazu Shono, Osamu Saito, Ryuji Inoue +7 more | 2015-12-01 |
| 8983323 | Color image forming apparatus with a line velocity difference set between image carriers | Takeshi Yamashita, Yuji Nagatomo, Naoki Nakatake, Yasuhiro Fujiwara, Yasuhide Matsuno +5 more | 2015-03-17 |
| 8971743 | Image forming apparatus and image forming method | Naoki Nakatake, Yuji Nagatomo, Yasuhide Matsuno, Takahiro Sanada, Yasuhiro Fujiwara +3 more | 2015-03-03 |
| 8805222 | Image developing device, process cartridge including image developing device, and image forming device including image developing device | Naoki Nakatake, Tomohiro Kubota, Shoh Tsuritani, Yuji Nagatomo, Yasuhide Matsuno +7 more | 2014-08-12 |
| 8712310 | Image forming apparatus and control method therefor | Yoshiyuki Shimizu, Kozo Yamazaki, Hideyuki Masumoto, Tatsuya Miyadera | 2014-04-29 |
| 8532547 | Transfer belt unit and image forming apparatus | — | 2013-09-10 |
| 8233829 | Transfer belt unit and image forming apparatus | — | 2012-07-31 |
| 8233823 | Belt device and image forming apparatus | Tomoya Adachi, Mitsutoshi Kichise, Takeshi Yamashita | 2012-07-31 |
| 8189027 | Exposure unit, image forming apparatus and image forming method | Tatsuya Miyadera, Yoshiyuki Shimizu, Hideyuki Masumoto, Kozo Yamazaki | 2012-05-29 |
| 7869751 | Transfer device and image forming apparatus | Tomoya Adachi, Takeshi Yamashita, Yuuji Meguro | 2011-01-11 |
| 7817928 | Image forming apparatus and image forming method | Yoshie Tsuchida | 2010-10-19 |
| 7778573 | Image forming apparatus and process cartridge | Takeshi Yamashita, Tomoya Adachi, Yoshie Tsuchida | 2010-08-17 |
| 7735634 | Belt device and image forming apparatus | Mitsutoshi Kichise, Tomoya Adachi, Takeshi Yamashita | 2010-06-15 |
| 7734235 | Image forming apparatus including a metallic driving roller | Atsushi Takehara, Akihiro Kawasaki, Yoshie Iwakura, Tomoya Adachi | 2010-06-08 |
| 7702248 | Powder container, toner container, and image forming apparatus | Tomoya Adachi, Tomofumi Inoue | 2010-04-20 |
| 7636539 | Tandem intermediate-transfer type image forming apparatus | Akihiro Kawasaki, Atsushi Takehara, Yoshie Iwakura, Tomoya Adachi | 2009-12-22 |
| 7599633 | Image forming apparatus dust container including dust conveyance members | Tomofumi Inoue, Tomoya Adachi, Takeshi Sakashita, Yuuji Meguro, Takeru Muramatsu +1 more | 2009-10-06 |
| 7428400 | Primary transfer unit of image forming apparatus | Yoshie Iwakura, Akihiro Kawasaki, Atsushi Takehara, Tomoya Adachi | 2008-09-23 |
| 7254357 | Method and apparatus for image forming capable of effectively regulating a toner layer, developing mechanism for the apparatus, and a process cartridge provided in the apparatus | Nobuhiko Umezawa, Yoshitake Shimizu | 2007-08-07 |