Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308039 | Apparatus for fixing toner images on a transfer material | Satoshi Haneda, Kunio Shigeta, Hiroyuki Tokimatsu, Masahiro Onodera | 2001-10-23 |
| 6157805 | Fixing apparatus | Satoshi Haneda, Kunio Shigeta, Hiroyuki Tokimatsu | 2000-12-05 |
| 6134403 | Color image forming apparatus having developing devices located within a central angle of 180.degree. | Satoshi Haneda, Hisayoshi Nagase, Hiroyuki Tokimatsu | 2000-10-17 |
| 6085064 | Image forming apparatus | Hisayoshi Nagase, Kunio Shigeta, Satoshi Haneda, Yotaro Sato | 2000-07-04 |
| 6070031 | Color image forming apparatus having developing devices arranged around an image forming body such that the image forming body is neither deformed nor damaged by the developing devices and such that a precise gap is set therebetween | Satoshi Haneda | 2000-05-30 |
| 6021301 | Image forming apparatus which is equipped with an intermediate transfer body and which prevents toner from sticking to a transfer unit | Kunio Shigeta, Yotaro Sato, Hisayoshi Nagase, Satoshi Haneda | 2000-02-01 |
| 5995797 | Image forming apparatus which conveys unfixed toner images to a fixing device in an undisturbed and stable manner so that images may be formed on both sides of a sheet | Kunio Shigeta, Yotaro Sato, Hisayoshi Nagase, Satoshi Haneda | 1999-11-30 |
| 5978644 | Image forming apparatus | Yotaro Sato, Kunio Shigeta, Hisayoshi Nagase, Satoshi Haneda | 1999-11-02 |
| 5930002 | Image forming apparatus having a single-body image forming drum unit | Satoshi Haneda, Hisayoshi Nagase, Hiroyuki Tokimatsu, Masahiro Onodera, Shuta Hamada | 1999-07-27 |
| 5905931 | Electrophotographic image forming apparatus | Kunio Shigeta, Yotaro Sato, Satoshi Haneda, Hisayoshi Nagase | 1999-05-18 |
| 5886728 | Image forming apparatus having a plurality of exposure devices which are radially arranged on a common supporting member with respect to a rotation axis of an image forming body | Shuta Hamada, Satoshi Haneda, Hisayoshi Nagase, Hiroyuki Tokimatsu, Masahiro Onodera | 1999-03-23 |
| 5850247 | Image forming apparatus | Shuta Hamada, Satoshi Haneda, Hisayoshi Nagase, Hiroyuki Tokimatsu, Masahiro Onodera | 1998-12-15 |
| 5840461 | Process for producing cylindrical substrate for image formation | Satoshi Haneda, Hisayoshi Nagase, Hiroyuki Tokimatsu, Masahiro Onodera, Shuta Hamada +1 more | 1998-11-24 |
| 5784666 | Color image forming apparatus | Hisayoshi Nagase, Shuta Hamada, Hiroyuki Tokimatsu, Satoshi Haneda | 1998-07-21 |
| 5784672 | Color image forming apparatus having integrally formed/removable image forming body and exposive device | Satoshi Haneda, Hisayoshi Nagase, Hiroyuki Tokimatsu, Masahiro Onodera, Shuta Hamada | 1998-07-21 |
| 5758243 | Color image forming apparatus | Satoshi Haneda, Hisayoshi Nagase, Hiroyuki Tokimatsu, Masahiro Onodera, Shuta Hamada | 1998-05-26 |
| 5754210 | Optical system assembling device for an image forming apparatus | Satoshi Haneda, Tadayoshi Ikeda, Masakazu Fukuchi, Shuta Hamada, Hisayoshi Nagase +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, Masakazu Fukuchi +1 more | 1998-05-12 |
| 5729809 | Color image forming apparatus with intermediate transfer | Satoshi Haneda, Hisayoshi Nagase, Hiroyuki Tokimatsu, Shuta Hamada | 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, Satoshi Haneda, Hiroyuki Tokimatsu, Shuta Hamada | 1998-02-24 |
| 5118092 | Document feeding apparatus | Yasushi Yamada, Yoshikazu Maekawa, Hiroyuki Arai, Susumu Okui, Tsugio Hirabayashi | 1992-06-02 |
| 4944504 | Document feeding apparatus | Yasushi Yamada, Yoshikazu Maekawa, Hiroyuki Arai, Susumu Okui, Tsugio Hirabayashi | 1990-07-31 |