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:
Sep. 07, 2021
Filed:
Jan. 23, 2020
Applicant:
Powdertech Co., Ltd., Kashiwa, JP;
Inventors:
Hiroki Sawamoto, Kashiwa, JP;
Atsushi Nil, Kashiwa, JP;
Yuji Ito, Kashiwa, JP;
Hajime Akiba, Kashiwa, JP;
Shinya Hanyu, Kashiwa, JP;
Assignee:
POWDERTECH CO., LTD., Chiba, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01); G03G 9/107 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/1075 (2013.01); G03G 9/0808 (2013.01); G03G 9/107 (2013.01); G03G 9/1085 (2020.08);
Abstract
The present invention relates to a carrier core material for electrophotographic developer, having a ferrite composition and having a supernatant transmittance of 85.0% or more, a method for producing the carrier core material, a carrier for electrophotographic developer, containing the carrier core material, and a developer containing the carrier.
Quick Actions:
Sawamoto, Hiroki. (2021). Carrier core material for electrophotographic developer and method for producing the same, and carrier for electrophotographic developer and developer containing said carrier core material (U.S. Patent No. 11112716). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11112716
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile