The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 02, 2014

Filed:

Jun. 14, 2013
Applicant:

Konica Minolta, Inc., Tokyo, JP;

Inventors:

Yoshiyasu Matsumoto, Tokyo, JP;

Aya Shirai, Tokyo, JP;

Ryuichi Hiramoto, Tokyo, JP;

Taiki Amemiya, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 15/20 (2006.01); G03G 15/01 (2006.01); G03G 15/00 (2006.01); G03G 13/08 (2006.01);
U.S. Cl.
CPC ...
G03G 13/08 (2013.01); G03G 15/2039 (2013.01); G03G 15/0189 (2013.01); G03G 15/6585 (2013.01); G03G 2215/00805 (2013.01);
Abstract

A plurality of image parts, each having a different gloss level, are formed on the same recording material by electrophotographic technology. The plurality of gloss levels are visually recognized due to the plurality of image parts. The image forming method includes: developing electrostatic latent images on respective image carriers using a high softening point clear toner and a low softening point clear toner, to form a toner image by the high softening point clear toner and a toner image by the low softening point clear toner; transferring the toner images onto a recording material; and heat-fixing the toner image for low gloss and the toner image for high gloss transferred and formed onto the recording material, wherein a softening point Tm(a) of the high softening point clear toner and a softening point Tm(b) of the low softening point clear toner satisfy Tm(a)−Tm(b)>6° C.


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