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:
Aug. 25, 1987
Filed:
Sep. 04, 1985
Applicant:
Inventors:
Yasuhito Yuasa, Neyagawa, JP;
Kazumasa Hayashi, Osaka, JP;
Koreaki Nakata, Takarazuka, JP;
Akihiro Okuma, Ikoma, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430122 ; 4301066 ; 118658 ;
Abstract
An electrophotographic developing method for developing an electrostatic image formed on an electrostatic image supporting member by using a mono-component insulative developer is disclosed. Electrical potential of said developer for developing the electrostatic image is produced by frictional charging effect of said developer.
Yuasa, Yasuhito. (1987). Method for developing electrostatic image using magnetic brush and one (U.S. Patent No. 4689285). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4689285
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile