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. 14, 1993
Filed:
Oct. 28, 1991
Applicant:
Inventors:
Koichi Tomiyama, Kawasaki, JP;
Masayoshi Kato, Iruma, JP;
Tsutomu Kukimoto, Yokohama, JP;
Hiroshi Yusa, Yokohama, JP;
Kiyoko Tsuchiya, Yokosuka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430109 ; 430126 ;
Abstract
A developer for developing an electrostatic image has a toner, fine resin particles with a surface shape sphericity .psi. of from 0.90 to 0.50, and fine inorganic particles.
Tomiyama, Koichi. (1993). Developer for developing electrostatic image, image forming method, (U.S. Patent No. 5270143). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5270143
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile