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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Uchinokura; Osamu
Address:
Shizuoka, JP
No. of patents:
8
Patents:












Patent Number Title Of Patent Date Issued
6855468 Color image formation method February 15, 2005
In a method for forming a multicolored toner image in accordance with an electrophotographic process, the addition amount of external additives to a non-added toner is 1.5 to 10.0 parts by weight per 100 parts by weight of the non-added toner in each developing step, the aggregation degr
6737210 Image formation method, electrophotographic toners, and printed matter May 18, 2004
An image formation method for forming an image is proposed, which uses an image formation apparatus capable of performing (1) multi-color image formation and printing by superimposing toner images with different colors by use of a plurality of color toners with different colors, includin
6733939 Toner, developer and container for the developer, and method of and apparatus for forming an ima May 11, 2004
The electrophotographic toner according to the present invention comprises a binder resin, a colorant, and a negative charge control agent. The binder resin is polyester and/or polyol. The negative charge control agent comprises components which are (1) sulfonic-acid containing monomers,
6641969 Magnetic toner with negative polarity for developing latent electrostatic images, and image form November 4, 2003
A magnetic toner with a negative polarity for developing latent electrostatic images is made of toner particles, each toner particle containing a binder resin, a magnetic powder, and a charge control agent, the surface of the magnetic toner satisfying the relationship of 2.times.10.s
6479204 Magnetic toner with negative polarity for developing latent electrostatic images, and image form November 12, 2002
A magnetic toner with a negative polarity for developing latent electrostatic images is made of toner particles, each toner particle containing a binder resin, a magnetic powder, and a charge control agent, the surface of the magnetic toner satisfying the relationship of 2.times.10.s
6432589 Image formation method, electrophotographic toners, and printed matter August 13, 2002
An image formation method for forming an image is proposed, which uses an image formation apparatus capable of performing (1) multi-color image formation and printing by superimposing toner images with different colors by use of a plurality of color toners with different colors, includin
6416914 Image formation process and developer used therein July 9, 2002
An image formation process which forms a toner image by the nonmagnetic one-component developing system by bringing an electrically conducting brush impressed with a voltage into contact with a photosensitive material to effect the uniform charging, and forming an electrostatic latent im
6360068 Electrophotographic image formation process and apparatus March 19, 2002
In a method for forming a color image by using a contact type nonmagnetic one-component developing device, a flat sheet-like blade made of a metal flexible member and having a distal end thereof chamfered is used inside the developing device in combination with a toner having a glass










 
 
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