Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9348309 | Image forming apparatus and driving method for driving image forming apparatus | Masanari Fujita, Yasuhide Matsuno, Shin Yamamoto, Shinichi Arasawa | 2016-05-24 |
| 9298127 | Developing device and image forming apparatus including same | Yoshio Sakagawa, Yasuhide Matsuno | 2016-03-29 |
| 8977150 | Image forming apparatus including a controller configured to regulate a potential difference between a photoconductor and a developing member | Shin Yamamoto, Yoshio Sakagawa, Yuji Nagatomo | 2015-03-10 |
| 8354164 | Semiconductive member, and developing roll, charging roll, transfer belt, and image forming apparatus using same | Chiyoshi Nozaki, Tetsumaru Fujita, Shintaro Yamada, Yuji Nagatomo, Manabu Hamada +1 more | 2013-01-15 |
| 8185025 | Device for developing an electrostatic latent image, and process cartridge and image forming apparatus including the same | Shintaro Yamada, Ryuji Inoue, Shuuichi Nakagawa, Kazushige Ohnishi | 2012-05-22 |
| 8010023 | Developing device, process cartridge and image forming apparatus | Shuichi Nakagawa, Ryuji Inoue, Shintaro Yamada | 2011-08-30 |
| 7945195 | Developing device having developer regulating member, and image forming apparatus using developing device | Ryuji Inoue, Shuuichi Nakagawa, Rumi Konishi, Shintaro Yamada, Kazushige Oonishi | 2011-05-17 |
| 7890033 | Developing device, process unit, and image forming apparatus which prevents ingrass of the developing agent in the vicinity of the developing member | Shuuichi Nakagawa, Ryuji Inoue, Shintaro Yamada | 2011-02-15 |
| 7865118 | Developing device for image forming apparatus and process cartridge having the same | Shuuichi Nakagawa, Ryuji Inoue, Kazushige Ohnishi, Shintaro Yamada | 2011-01-04 |
| 7835652 | Image developing method, image developing device, and image forming device | Rumi Konishi, Shuuichi Nakagawa, Ryuji Inoue, Kazushige Oonishi, Shintaro Yamada | 2010-11-16 |
| 7831182 | Developing device, image forming apparatus, and development error detecting method | Rumi Konishi, Kenji Asuwa, Yoshiko Ogawa, Shuuichi Nakagawa, Ryuji Inoue +2 more | 2010-11-09 |
| 7680443 | Developing device including an advance impeding member and an image forming apparatus using the same | Shuuichi Nakagawa, Ryuji Inoue, Shintaro Yamada | 2010-03-16 |
| 7676184 | Developing apparatus | Shuuichi Nakagawa, Ryuji Inoue, Yuji Nagatomo, Shintaro Yamada, Kazushige Oonishi +2 more | 2010-03-09 |