Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574448 | Image forming apparatus and method for improving image quality of double sided prints | Hideaki Mochimaru, Yasukuni Omata, Norimasa Sohmiya, Toshiaki Higaya, Masanori Matsuda | 2003-06-03 |
| 6219518 | Image forming apparatus including an intermediate image transfer body | Naoki Sugiyama | 2001-04-17 |
| 6122475 | Image forming apparatus with an intermediate transfer element having a polarity controlling material | Naoko Iwata, Naoki Sugiyama | 2000-09-19 |
| 5905013 | Image forming apparatus | — | 1999-05-18 |
| 5887218 | Color image forming apparatus having toner and transfer sheet bearing members and image forming method thereof | Hideo Yuu, Takashi Bisaiji, Naoko Iwata | 1999-03-23 |
| 5873018 | Image forming apparatus having an intermediate transfer unit with a surface having reduced coefficient of friction | Jun Aoto, Yasuo Hirano, Masahide Yamashita, Shigeru Fukuda | 1999-02-16 |
| 5774775 | Electrophotograhic image forming method using an intermediate image transfer element | Jun Aoto, Yasuo Hirano, Masahide Yamashita, Shigeru Fukuda | 1998-06-30 |
| 5761594 | Image forming apparatus | Shigeru Fukuda, Yasuo Hirano, Jun Aoto, Masahide Yamashita, Takashi Bisaiji +2 more | 1998-06-02 |
| 5655199 | Intermediate transfer type image forming apparatus and an intermediate transfer medium therefor | Masahide Yamashita, Yasuo Hirano, Jun Aoto, Shigeru Fukuda | 1997-08-05 |
| 5572304 | Intermediate image transfer element and image forming apparatus using the same | Yasuo Hirano | 1996-11-05 |
| 5342718 | Electrophotographic photoconductor with overlayer of polyol-curing polyurethane resin | Shinji Nousho, Junichiro Hashimoto, Takashi Rokutanzono | 1994-08-30 |
| 5147751 | Electrophotographic photoconductor and electrophotographic copying process and apparatus using the photoconductor | Narihito Kojima, Hiroshi Nagame, Takashi Rokutanzono, Shinji Nousho | 1992-09-15 |
| 5059502 | Electrophotographic photoconductor | Narihito Kojima, Hiroshi Nagame, Shunpei Yamazaki, Shigenori Hayashi, Noriya Ishida +3 more | 1991-10-22 |