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. 21, 1976
Filed:
Jun. 04, 1975
Applicant:
Inventor:
Masakazu Iwasa, Tokyo, J;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigra, J;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
96 / ; 96 / ; 96-15 ; 96-18 ;
Abstract
An electrophotographic method comprising image-wise exposing the surface of a support having thereon (a) first photoconductive powders either positively or negatively electrically charged and (b) electroconductive powders having a surface resistivity of 10.sup.10 .OMEGA.sq or less or second photoconductive powders charged in a reverse polarity to that of the first photoconductive powders to form an electrostatic latent image, and then removing either the imagewise exposed or unexposed portion of the powders to form an image.
Iwasa, Masakazu. (1976). Powder electrophotographic method (U.S. Patent No. 3998634). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3998634
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile