Issued Patents All Time
Showing 76–100 of 105 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8977169 | Toner supply system for image forming apparatus development device | Takahisa Nakaue, Teruhiko Nagashima, Takashi Morita | 2015-03-10 |
| 8958724 | Developing device and image forming apparatus | Takahisa Nakaue, Minoru Wada, Shizuka Okada, Takefumi Yotsutsuji, Akifumi Yamaguchi | 2015-02-17 |
| 8942600 | Developing apparatus and image forming apparatus | Takahisa Nakaue, Ikuo Makie, Kenichi Tamaki, Minoru Wada, Takefumi Yotsutsuji +1 more | 2015-01-27 |
| 8903284 | Developer storage container with a conveyor member that simultaneously conveys toner in opposite directions and image forming apparatus with the same | Takahisa Nakaue, Teruhiko Nagashima, Takashi Morita | 2014-12-02 |
| 8897676 | Image forming apparatus | Takahisa Nakaue, Takashi Morita, Teruhiko Nagashima | 2014-11-25 |
| 8862029 | Image forming apparatus | Takahisa Nakaue, Takashi Morita, Teruhiko Nagashima | 2014-10-14 |
| 8843035 | Developing device and image forming apparatus provided with same | Shizuka Okada | 2014-09-23 |
| 8666292 | Developer case and image forming apparatus to which developer case is applied | Takahisa Nakaue, Teruhiko Nagashima, Takashi Morita, Eiji Nimura, Yoshihiro Yamagishi +4 more | 2014-03-04 |
| 8478150 | Image forming apparatus and method for controlling same | Kensuke Fujihara, Ryota Maeda, Koji Fujii | 2013-07-02 |
| 8116647 | Image forming apparatus and method for controlling same | Kensuke Fujihara, Ryota Maeda, Kouji Fujii, Tomoyuki Kikuta | 2012-02-14 |
| 8000631 | Developing device, image forming apparatus, and image forming method | Minoru Wada | 2011-08-16 |
| 7979011 | Image forming apparatus having a photoconductive drum | Kensuke Fujihara, Akane Tokushige, Ryota Maeda, Koji Fujii | 2011-07-12 |
| 6136487 | Developing method | Noboru Ito, Yoshio Sakagawa, Yoshiyuki Iguchi | 2000-10-24 |
| 6088563 | Developing device and developing method with a specified impedance | — | 2000-07-11 |
| 5999782 | Developing device having an AC current with two frequencies and method of using same | Yoshiyuki Iguchi, Yoshio Sakagawa | 1999-12-07 |
| 5911098 | Development apparatus and method using selectively applied AC voltages | Eiji Gyotoku | 1999-06-08 |
| 5884131 | Developing device which accomplishes development using the action of an alternating current field between a developer-carrying member and an image-carrying member | Yoshiyuki Iguchi, Yoshio Sakagawa | 1999-03-16 |
| 5860040 | Developing apparatus having stop period during which no AC electric field is exerted between developer carrying member and image carrying member | Yoshiyuki Iguchi, Yoshio Sakagawa | 1999-01-12 |
| 5828936 | Developing device | Eiji Gyotoku | 1998-10-27 |
| 5758240 | Developing apparatus and image forming apparatus | Noboru Ito | 1998-05-26 |
| 5688622 | Developing method | Noboru Ito, Eiji Gyoutoku | 1997-11-18 |
| 5446526 | Developing device having a developer transport roller with a magnetic field distribution that eliminates streaking and fogging | — | 1995-08-29 |
| 5385801 | Method of developing electrostatic latent image | Yoshihisa Terasaka, Junji Ohtani, Junji Machida, Hiroshi Murasaki, Hiroshi Mizuno | 1995-01-31 |
| 5311262 | Developing device for use in an image forming apparatus | Hiroshi Murasaki, Masahiko Matsuura, Susumu Mikawa | 1994-05-10 |
| 5266364 | Method and apparatus for controlling plasma processing | Hitoshi Tamura | 1993-11-30 |