Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate
2008-01-08
2008-01-08
Royer, William J. (Department: 2852)
Electrophotography
Internal machine environment
Particle or contaminant control
C399S148000, C399S149000
Reexamination Certificate
active
11166221
ABSTRACT:
A color image forming apparatus in which a developing portion is provided with a mechanism capable of forming a developing agent image and recovering residual developing agent left remained on an image carrier, and an electrification portion of an image-forming unit disposed at a second stage further provided with a developing agent-removing member which is in contact with an electrifying member, thereby enabling a developing agent which is reversely transferred from a transferred image of a preceding stage and recovered by the electrification portion to be removed from the electrification portion.
REFERENCES:
patent: 5286918 (1994-02-01), Iwata et al.
patent: 5797070 (1998-08-01), Waki et al.
patent: 5864736 (1999-01-01), Shimada et al.
patent: 6029033 (2000-02-01), Kawasaki
patent: 6332063 (2001-12-01), Ozawa et al.
patent: 6681092 (2004-01-01), Terai
patent: 6865360 (2005-03-01), Takahashi et al.
patent: 6904251 (2005-06-01), Uyama et al.
patent: 6920300 (2005-07-01), Watanabe et al.
patent: 2001/0048827 (2001-12-01), Okada
patent: 2003/0123909 (2003-07-01), Akashi et al.
patent: 2003/0147661 (2003-08-01), Ogata
patent: 2005/0069355 (2005-03-01), Watanabe et al.
patent: 04-020986 (1992-01-01), None
patent: 2000-242152 (2000-09-01), None
patent: 2001-083757 (2001-03-01), None
patent: 2001-249511 (2001-09-01), None
patent: 2004-093849 (2004-03-01), None
U.S. Appl. No. 11/091,600, filed Mar. 29, 2005, Watanabe et al.
U.S. Appl. No. 10/945,440, filed Sep. 21, 2004, Shimmura et al.
U.S. Appl. No. 11/081,962, filed Mar. 17, 2005, Yoshida et al.
U.S. Appl. No. 11/082,243, filed Mar. 17, 2005, Watanabe et al.
Office Action, Nov. 8, 2005, US. Appl. No. 10/945,440.
S. Shimmura, U.S. PTO Office Action, U.S. Appl. No. 10/945,440, filed Feb. 27, 2007, 6 pages.
S. Shimmura, U.S. PTO Office Action, U.S. Appl. No 11/647,246, filed May 31, 2007, 10 pages.
S. Shimmura, U.S. PTO Office Action, Serial No. 10/945,440, Aug. 14, 2007, 8 pages.
Kouyama Mitsuaki
Takahashi Masashi
Watanabe Takeshi
Foley & Lardner LLP
Kabushiki Kaisha Toshiba
Royer William J.
Toshiba Tec Kabushiki Kaisha
LandOfFree
Color image forming apparatus with at least two stages of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Color image forming apparatus with at least two stages of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Color image forming apparatus with at least two stages of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3933753