Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11372363 | Image forming apparatus and image forming method | Daisuke Inoue, Shinya Nakayama, Yohichi Kitagawa, Kenji Komito | 2022-06-28 |
| 10042315 | Blade and image forming apparatus and cleaning device incorporating same | Eisuke Shimizu, Kazuhiko Watanabe, Yuu Sakakibara | 2018-08-07 |
| 10031466 | Cleaning blade, image forming apparatus, and process cartridge | Kazuhiko Watanabe, Hisashi Kikuchi, Eisuke Shimizu, Yuu Sakakibara | 2018-07-24 |
| 9977396 | Blade and image forming apparatus incorporating same | Eisuke Shimizu, Kazuhiko Watanabe, Hisashi Kikuchi | 2018-05-22 |
| 9904233 | Blade, cleaning device, and image forming apparatus incorporating same | Eisuke Shimizu, Kazuhiko Watanabe, Yuu Sakakibara | 2018-02-27 |
| 9798284 | Blade and image forming apparatus incorporating same | Eisuke Shimizu, Kazuhiko Watanabe, Yuu Sakakibara | 2017-10-24 |
| 9529317 | Blade and image forming apparatus incorporating same | Eisuke Shimizu, Kazuhiko Watanabe, Hisashi Kikuchi | 2016-12-27 |
| 9436117 | Image forming apparatus configured to modify a reference voltage correction amount | Hisashi Kikuchi, Kazuhiko Watanabe, Eisuke Shimizu | 2016-09-06 |
| 9329519 | Charging roller, charging device and image forming apparatus incorporating same, and method of calculating resistance of charging roller | Hisashi Kikuchi, Kazuhiko Watanabe, Eisuke Shimizu | 2016-05-03 |
| 9310751 | Blade member, image forming apparatus and process cartridge | Eisuke Shimizu, Kazuhiko Watanabe, Hisashi Kikuchi | 2016-04-12 |
| 9310750 | Image forming apparatus and process cartridge therefor | Hisashi Kikuchi, Takatsugu Fujishiro, Kazuhiko Watanabe, Naomi Sugimoto, Yuu Sakakibara | 2016-04-12 |
| 9170557 | Cleaning blade, image forming apparatus, and process cartridge | Kazuhiko Watanabe, Takatsugu Fujishiro, Hisashi Kikuchi | 2015-10-27 |
| 9081353 | Cleaner, and process cartridge and image forming apparatus using the cleaner | Takatsugu Fujishiro, Kazuhiko Watanabe, Hisashi Kikuchi, Naomi Sugimoto, Yuu Sakakibara | 2015-07-14 |
| 8577274 | Image forming apparatus including a lubricant applying device configured to apply lubricant to an image carrier | Hiroshi Saitoh, Kaoru Yoshino, Akira Fujimori, Kensuke Sasaki | 2013-11-05 |
| 8494428 | Lubricant applicator, process unit including the lubricant applicator, transfer unit including the lubricant applicator, and image forming apparatus including the process unit or the transfer unit | Yuta Azeyanagi, Ken Amemiya, Satoshi Hatori, Toshio Koike, Yuji Arai +5 more | 2013-07-23 |
| 8428488 | Charging device, process cartridge, image forming apparatus, and toner | Haruji Mizuishi, Tokuya Ojimi, Toshio Koike, Takeshi Shintani, Yuji Arai +7 more | 2013-04-23 |
| 8204400 | Charging device capable of efficiently charging image carrier | Shinya Karasawa, Takatsugu Fujishiro, Hiromichi Ninomiya, Takeshi Tabuchi, Naohiro Kumagai +1 more | 2012-06-19 |
| 8190078 | Toner conveyance device and image forming apparatus incorporating same | — | 2012-05-29 |
| 8000627 | Charging device, process cartridge, image forming apparatus, and toner | Haruji Mizuishi, Tokuya Ojimi, Toshio Koike, Takeshi Shintani, Yuji Arai +7 more | 2011-08-16 |
| 7885595 | Lubricant applicator, process cartridge including same, and image forming apparatus including same | Hiromichi Ninomiya, Takatsugu Fujishiro, Akira Fujimori | 2011-02-08 |
| 7826786 | Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner | Takeo Suda, Shinichi Kawahara, Takatsugu Fujishiro, Tokuya Ojimi, Takeshi Tabuchi +15 more | 2010-11-02 |
| 7680429 | Charging device including charging roller and cleaning roller | Muraishi Takaya, Hiromichi Ninomiya, Atsushi Sampe, Yoshiyuki Kimura, Hiroyuki Nagashima +9 more | 2010-03-16 |
| 7630679 | Image forming apparatus, toner container, and process cartridge | — | 2009-12-08 |
| 7542712 | Lubricant applicator, and image forming apparatus and process cartridge using the lubricant applicator, and method for assembling the process cartridge | Shuji Tanaka, Shinichi Kawahara, Yoshiyuki Kimura, Hiroshi Hosokawa, Yoshio Hattori +11 more | 2009-06-02 |
| 7539451 | Image forming apparatus and toner | Masanori Kawasumi, Haruji Mizuishi, Tokuya Ojimi, Toshio Koike, Takeshi Shintani +8 more | 2009-05-26 |