Issued Patents All Time
Showing 1–25 of 108 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7382415 | Color correction processing circuit by each hue | Shuji Kiyama, Masayuki Bannai, Junichi Onodera | 2008-06-03 |
| 6522861 | Color image forming apparatus | Naoto Tokutake, Susumu Tashiro, Motozi Kawamoto, Kazuyoshi Kimura, Susumu Okui +2 more | 2003-02-18 |
| 6484003 | Color image forming apparatus with rack having detachable units | Naoto Tokutake, Susumu Tashiro, Motozi Kawamoto, Kazuyoshi Kimura, Susumu Okui +2 more | 2002-11-19 |
| 6094552 | Image forming apparatus for printing images in accordance with at least one of first information and second information | Satoshi Haneda, Kunio Shigeta, Yotaro Sato, Akitoshi Matsubara, Tadayoshi Ikeda | 2000-07-25 |
| 5920744 | Image forming apparatus and method for efficiently forming images even after the occurrence of a jam | Akitoshi Matsubara, Tadayoshi Ikeda, Satoshi Haneda, Kunio Shigeta, Yotaro Sato | 1999-07-06 |
| 5875372 | Image forming apparatus | Yotaro Sato, Kunio Shigeta, Satoshi Haneda, Akitoshi Matsubara, Tadayoshi Ikeda | 1999-02-23 |
| 5826143 | Image forming apparatus with two transfer means | Satoshi Haneda, Kunio Shigeta, Yotaro Sato, Akitoshi Matsubara, Tadayoshi Ikeda | 1998-10-20 |
| 5822666 | Image forming apparatus including a mechanism for eliminating mechanical shock caused by a cleaning device | Satoshi Haneda, Kunio Shigeta, Yotaro Sato, Tadayoshi Ikeda, Akitoshi Matsubara | 1998-10-13 |
| 5761573 | Image forming apparatus for double-sided image formation with properly adjusted image density or color tone for each side | Satoshi Haneda, Kunio Shigeta, Yotaro Sato, Akitoshi Matsubara, Tadayoshi Ikeda | 1998-06-02 |
| 5758204 | Duplex image forming apparatus with two image carriers and an image size discriminator | Satoshi Haneda, Kunio Shigeta, Yotaro Sato, Tadayoshi Ikeda, Akitoshi Matsubara | 1998-05-26 |
| 5754210 | Optical system assembling device for an image forming apparatus | Satoshi Haneda, Tadayoshi Ikeda, Shuta Hamada, Hisayoshi Nagase, Hiroyuki Tokimatsu +1 more | 1998-05-19 |
| 5752133 | Electrophotographic color image forming apparatus with image exposure means inside of photoreceptor drum | Hisayoshi Nagase, Satoshi Haneda, Hiroyuki Tokimatsu, Shuta Hamada, Toshihide Miura +1 more | 1998-05-12 |
| 5663787 | Electrophotographic color image forming apparatus with image exposure means inside of photoreceptor drum | Satoshi Haneda, Tadayoshi Ikeda | 1997-09-02 |
| 5619242 | Image forming apparatus with edge point detector based on image density charge | Satoshi Haneda, Tadashi Miwa | 1997-04-08 |
| 5615002 | Electrophotographic color image forming apparatus with a plurality of image exposing devices arranged around outer circumference of photoreceptor | Satoshi Haneda, Hisayoshi Nagase, Hiroyuki Tokimatsu, Shuta Hamada, Tadayoshi Ikeda | 1997-03-25 |
| 5608497 | Electrophotographic color image forming apparatus | Satoshi Haneda, Tadayoshi Ikeda | 1997-03-04 |
| 5570194 | Color image forming apparatus in which pre-transfer image exposure is performed on full color toner image on photoreceptor after fourth color toner image of Y,M,C, and BK color toner images is formed but before transferring full color toner image | Satoshi Haneda, Shizuo Morita | 1996-10-29 |
| 5557394 | Color image forming apparatus having a transparent photoreceptor | Satoshi Haneda, Tadayoshi Ikeda, Hisayoshi Nagase, Shuta Hamada | 1996-09-17 |
| 5548379 | Image forming apparatus | Shizuo Morita, Satoshi Haneda, Hiseo Satoh, Tadayoshi Ikeda | 1996-08-20 |
| 5541722 | Color image forming apparatus | Tadayoshi Ikeda, Satoshi Haneda | 1996-07-30 |
| 5493366 | Image forming apparatus | Hisao Satoh, Satoshi Haneda, Tadayoshi Ikeda, Shizuo Morita | 1996-02-20 |
| 5486901 | Color image recording apparatus with a detector to detect a superimposed toner image density and correcting its color balance | Shizuo Morita, Shizuo Kayano, Kunihisa Yoshino | 1996-01-23 |
| 5444515 | Color image forming apparatus with mountable cartridge therein | Satoshi Haneda, Shizuo Morita, Tadayoshi Ikeda | 1995-08-22 |
| 5438437 | Image forming apparatus with exposure, size, and position correction for pixels | Yoshimi Mizoguchi, Hiroshi Ishii, Kiyoshi Kimura, Makoto Takeda, Hiroyuki Maruyama +4 more | 1995-08-01 |
| 5426489 | Image forming apparatus with a magnetic brush charger | Satoshi Haneda, Kunio Shigeta, Sachie Hosogoezawa, Hiroyuki Nomori | 1995-06-20 |