Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7769310 | Image forming apparatus with improved separability of transfer material | Hirokazu Ishii, Satoshi Takano, Hiroshi Saitoh, Ryoh Tanoue, Itaru Matsuda +3 more | 2010-08-03 |
| 7672605 | Transfer device and image forming apparatus | Shin Kayahara, Yoshiyuki Kimura, Eisaku Murakami, Masahiko Satoh, Masanori Kawasumi +3 more | 2010-03-02 |
| 7630659 | Method and apparatus for image forming capable of effectively performing a charging process | Takeshi Uchitani, Eisaku Murakami, Yoshiyuki Kimura, Masahiko Satoh, Masanori Kawasumi +3 more | 2009-12-08 |
| 7603062 | Conductive member, and charging roller, process cartridge and image forming apparatus using same | Masanori Kawasumi, Yoshiyuki Kimura, Masahiko Satoh, Takeshi Uchitani, Hideki Zemba +4 more | 2009-10-13 |
| 7555243 | Charging member, process cartridge including the same, and image forming apparatus including the same | Masahiko Satoh, Masanori Kawasumi, Yoshiyuki Kimura, Eisaku Murakami, Hideki Zemba +3 more | 2009-06-30 |
| 7333744 | Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltage | Haruji Mizuishi, Tokuya Ojimi, Masanori Kawasumi, Takuzi Yoneda, Ken Amemiya +6 more | 2008-02-19 |
| 7184678 | Image forming apparatus with improved separatability of transfer material | Hirokazu Ishii, Satoshi Takano, Hiroshi Saitoh, Ryoh Tanoue, Itaru Matsuda +3 more | 2007-02-27 |