Issued Patents All Time
Showing 76–100 of 248 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5784666 | Color image forming apparatus | Hisayoshi Nagase, Shuta Hamada, Hiroyuki Tokimatsu, Toshihide Miura | 1998-07-21 |
| 5761573 | Image forming apparatus for double-sided image formation with properly adjusted image density or color tone for each side | Kunio Shigeta, Yotaro Sato, Masakazu Fukuchi, Akitoshi Matsubara, Tadayoshi Ikeda | 1998-06-02 |
| 5758243 | Color image forming apparatus | Hisayoshi Nagase, Hiroyuki Tokimatsu, Masahiro Onodera, Shuta Hamada, Toshihide Miura | 1998-05-26 |
| 5758204 | Duplex image forming apparatus with two image carriers and an image size discriminator | Kunio Shigeta, Yotaro Sato, Tadayoshi Ikeda, Masakazu Fukuchi, Akitoshi Matsubara | 1998-05-26 |
| 5754210 | Optical system assembling device for an image forming apparatus | Tadayoshi Ikeda, Masakazu Fukuchi, Shuta Hamada, Hisayoshi Nagase, Hiroyuki Tokimatsu +1 more | 1998-05-19 |
| 5752137 | Multi-color image forming apparatus having a plurality of detachable units | — | 1998-05-12 |
| 5752133 | Electrophotographic color image forming apparatus with image exposure means inside of photoreceptor drum | Hisayoshi Nagase, Hiroyuki Tokimatsu, Shuta Hamada, Toshihide Miura, Masakazu Fukuchi +1 more | 1998-05-12 |
| 5729809 | Color image forming apparatus with intermediate transfer | Hisayoshi Nagase, Hiroyuki Tokimatsu, Shuta Hamada, Toshihide Miura | 1998-03-17 |
| 5722013 | Color image forming apparatus having a supporting member and a plurality of image exposure devices mounted inside a cylindrical image forming body | Hisayoshi Nagase, Hiroyuki Tokimatsu, Shuta Hamada, Toshihide Miura | 1998-02-24 |
| 5722009 | Color image forming apparatus having a transparent image forming drum with detectors inside of the drum | Hiroyuki Tokimatsu | 1998-02-24 |
| 5708934 | Color image forming apparatus with well-registrated imagewise exposure means | Hisayoshi Nagase, Shuta Hamada, Hiroyuki Tokimatsu | 1998-01-13 |
| 5708930 | Color image forming apparatus having a transparent image forming body | Hisayoshi Nagase, Shuta Hamada, Hiroyuki Tokimatsu | 1998-01-13 |
| 5697025 | Color image forming apparatus | Hiroyuki Tokimatsu | 1997-12-09 |
| 5666605 | Charging unit | Hiroyuki Tokimatsu | 1997-09-09 |
| 5663787 | Electrophotographic color image forming apparatus with image exposure means inside of photoreceptor drum | Masakazu Fukuchi, Tadayoshi Ikeda | 1997-09-02 |
| 5640652 | Driving mechanism for color image forming apparatus | Hisayoshi Nagase, Shuta Hamada | 1997-06-17 |
| 5619242 | Image forming apparatus with edge point detector based on image density charge | Masakazu Fukuchi, Tadashi Miwa | 1997-04-08 |
| 5615002 | Electrophotographic color image forming apparatus with a plurality of image exposing devices arranged around outer circumference of photoreceptor | Hisayoshi Nagase, Hiroyuki Tokimatsu, Shuta Hamada, Masakazu Fukuchi, Tadayoshi Ikeda | 1997-03-25 |
| 5608498 | Image forming apparatus in which at least an image carrying member and plural exposure means are constructed in a single body | Hisayoshi Nagase, Shuta Hamada | 1997-03-04 |
| 5608497 | Electrophotographic color image forming apparatus | Masakazu Fukuchi, Tadayoshi Ikeda | 1997-03-04 |
| 5604573 | Developing unit with a smoothing plate | Isao Endo, Yotaro Sato, Hiroyuki Nomori | 1997-02-18 |
| 5600408 | Electrophotographic color image forming apparatus provided with a plurality of image exposing devices | Tatsumi Horiuchi | 1997-02-04 |
| 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 | Masakazu Fukuchi, Shizuo Morita | 1996-10-29 |
| 5557394 | Color image forming apparatus having a transparent photoreceptor | Masakazu Fukuchi, Tadayoshi Ikeda, Hisayoshi Nagase, Shuta Hamada | 1996-09-17 |
| 5548379 | Image forming apparatus | Masakazu Fukuchi, Shizuo Morita, Hiseo Satoh, Tadayoshi Ikeda | 1996-08-20 |