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. 14, 1995
Filed:
Aug. 19, 1994
Applicant:
Inventors:
Yuji Sato, Kashiwa, JP;
Toshio Honjo, Kashiwa, JP;
Kanao Kayamoto, Kashiwa, JP;
Masahiro Ogata, Kashiwa, JP;
Kouichi Shimizu, Kashiwa, JP;
Assignee:
Powdertech Co., Ltd., Kashiwa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
4301066 ; 430108 ; 252 6261 ;
Abstract
A ferrite carrier for electrophotographic developers which comprises a lithium-based ferrite having the general formula