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:
Nov. 18, 1986
Filed:
Jun. 17, 1985
Applicant:
Inventors:
Tsutomu Iimura, Tachikawa, JP;
Minoru Chinju, Kumagaya, JP;
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430108 ; 423594 ; 4301066 ;
Abstract
An electrophotographic ferrite carrier with substantially spherical shape based on a magnetoplumbite structure of hexagonal ferrite or ferroxplana structure derived from the magnetoplumbite structure has a high electrical resistivity and a longer life.
Iimura, Tsutomu. (1986). Spherical electrophotographic magnetoplumbite-type hexagonal ferrite (U.S. Patent No. 4623603). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4623603
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile