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.
Patent No.:
Date of Patent:
Apr. 16, 2002
Filed:
Apr. 20, 2000
Applicant:
Inventor:
Shinya Tomura, Yamato, JP;
Assignee:
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 ; G03G 1/320 ;
U.S. Cl.
CPC ...
G03G 9/00 ; G03G 1/320 ;
Abstract
A developing agent comprising a toner particle containing a binder resin having an acid value of 1 to 30, a glass transition temperature of 40 to 65° C. and a softening point of 80 to 140° C., an azo-based iron complex, and a colorant and/or a first magnetic particle. This developing agent is suited for use in a fixing device of electromagnetic induction heating system.