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:
Dec. 01, 2015
Filed:
Mar. 19, 2014
Applicant:
Powdertech Co., Ltd., Chiba, JP;
Inventors:
Hiroki Sawamoto, Chiba, JP;
Takao Sugiura, Chiba, JP;
Assignee:
POWDERTECH CO., LTD., Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01); G03G 9/10 (2006.01); G03G 9/113 (2006.01); G03G 9/107 (2006.01);
U.S. Cl.
CPC ...
G03G 9/10 (2013.01); G03G 9/107 (2013.01); G03G 9/1075 (2013.01); G03G 9/113 (2013.01); G03G 9/1132 (2013.01);
Abstract
Disclosed are a resin-filled ferrite carrier core material for an electrophotographic developer, including a porous ferrite particle having an average compression strength of 100 mN or more and a coefficient of variation of the compression strength of 50% or less, a ferrite carrier obtained by filling a resin in the voids of the ferrite carrier core material, and an electrophotographic developer using the ferrite carrier.
Sawamoto, Hiroki. (2015). Core material for resin-filled ferrite carrier and ferrite carrier for electrophotographic developer, and electrophotographic developer using the ferrite carrier (U.S. Patent No. 9201328). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9201328
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile