Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9921541 | Developing device, and image forming apparatus and process cartridge incorporating same | Yasunobu Shimizu, Akira Azami, Masaaki Yamada, Toshio Koike, Mutsuki Morinaga +4 more | 2018-03-20 |
| 9772579 | Developing device and image forming apparatus incorporating same | Yuki Oshikawa, Akira Azami, Masaaki Yamada, Yoshihiro Fujiwara, Noriyuki Kimura +6 more | 2017-09-26 |
| 9625851 | Developing device and image forming apparatus incorporating same | Yuki Oshikawa, Akira Azami, Masaaki Yamada, Yoshihiro Fujiwara, Noriyuki Kimura +6 more | 2017-04-18 |
| 9201336 | Developing device and image forming apparatus including a toner bearing member having a predetermined relationship with toner | Osamu Endou, Yasuyuki Ishii, Yuuji Ishikura, Hideyasu Seki, Toshio Koike +1 more | 2015-12-01 |
| 9158228 | Development device and image forming apparatus incorporating same | Osamu Endou, Yasuyuki Ishii, Yuuji Ishikura, Hideyasu Seki, Tetsuro Hirota | 2015-10-13 |
| 8965254 | Development device, and image forming apparatus and process cartridge incorporating same | Yasuyuki Ishii, Osamu Endou, Yuuji Ishikura | 2015-02-24 |
| 8948638 | Image forming apparatus | Yuji Ishikura, Yasuyuki Ishii, Hideki Kosugi, Tetsuro Hirota, Masaaki Yamada +4 more | 2015-02-03 |
| 8929782 | Development device, and image forming apparatus and process cartridge incorporating same | Osamu Endou, Yasuyuki Ishii, Tetsuro Hirota, Atsushi Kurokawa, Yuuji Ishikura +1 more | 2015-01-06 |
| 8594540 | Development device, process cartridge incorporating same, and image forming apparatus incorporating same | Tetsuro Hirota, Hideki Kosugi, Atsushi Kurokawa, Hideyasu Seki, Masaaki Yamada +1 more | 2013-11-26 |
| 8588635 | Development device, process cartridge incorporating same, and image forming apparatus incorporating same | Yasuyuki Ishii, Hideki Kosugi, Masaaki Yamada, Atsushi Kurokawa, Yuji Ishikura | 2013-11-19 |
| 8433211 | Developing device, process cartridge, and image forming apparatus | Masanori Horike, Tetsuro Hirota, Atsushi Kurokawa, Hideki Kosugi, Masaaki Yamada +1 more | 2013-04-30 |
| 8041238 | Image forming apparatus, image forming method, and computer program product | Shingo Nagatsuka, Takuya Etoh, Motohiro Kawanabe, Kimihiro Tanaka | 2011-10-18 |
| 8041241 | Image forming apparatus and image forming method which controls the exposing of an image carrier to change the exposure time period in the main scanning direction | Akihiro Kawasaki, Rumi Konishi | 2011-10-18 |
| 7885566 | Toner consumption-calculating apparatus, image forming apparatus, and toner consumption calculating method | Rumi Konishi, Kenichi Ono, Akihiro Kawasaki, Atsushi Takehara | 2011-02-08 |
| 7831182 | Developing device, image forming apparatus, and development error detecting method | Rumi Konishi, Kenji Asuwa, Shuuichi Nakagawa, Ryuji Inoue, Shin Murayama +2 more | 2010-11-09 |
| 7791635 | Image forming apparatus and image forming method | Akihiro Kawasaki | 2010-09-07 |
| 7697875 | Development device for developing an electrostatic latent image formed on an image carrying member into a visible image | Yoshio Sakagawa | 2010-04-13 |
| 5370980 | Silver halide photographic light-sensitive material | Taketoshi Yamada, Yasushi Usagawa, Akira Onishi, Shigeto Hirabayashi | 1994-12-06 |
| 5360674 | Permanent magnet coated with Ni or Ni alloy having a specific cell structure and growth pattern | Hideki Kawai, Katsuhiko Kojo, Kiyoshi Eguchi | 1994-11-01 |
| 5291590 | Method of detecting and processing abnormal message output from computer system and detecting and processing apparatus therefor | Shingo Ohnishi, Shingo Moritomo, Tomiko Moritomo | 1994-03-01 |