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:
May. 18, 1993
Filed:
Jun. 27, 1991
Applicant:
Inventors:
Hiroshi Kageyama, Osaka, JP;
Yoshihiko Tanaka, Moriguchi, JP;
Assignee:
Mita Industrial Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
118658 ; 355246 ; 355251 ;
Abstract
A developing apparatus includes a developing roller having a magnet roller for feeding a developer to a photoconductor, and a toner concentration sensor for detecting a toner concentration of the developer, a region of the magnet roller corresponding to a location of the toner concentration sensor, being substantially zero gauss as magnetic flux density distribution.
Quick Actions:
Kageyama, Hiroshi. (1993). Developing apparatus and manufacturing method of developing roller (U.S. Patent No. 5212344). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5212344
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile