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:
Mar. 13, 2012
Filed:
Aug. 20, 2007
Applicants:
Kouji Noge, Numazu, JP;
Nobuyasu Makino, Numazu, JP;
Inventors:
Kouji Noge, Numazu, JP;
Nobuyasu Makino, Numazu, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B02C 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
To provide an electrophotographic toner pulverizing apparatus and an electrophotographic toner pulverizing method for preventing reduction in wear resistance of a rotor, a stator, and the like even in long-term pulverizing of toner. The electrophotographic toner pulverizing apparatus according to the present invention has a pulverizing chamber with at least a rotor and a stator disposed therein. The surface of at least one of the rotor and the stator has a chromium plated layer having Cr as a main component and containing Mg, Al, Si, Ti, Mn, Fe, and C elements.