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:
Apr. 07, 2026
Filed:
Sep. 12, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Shintaro Noji, Shizuoka, JP;
Yuhei Terui, Shizuoka, JP;
Takashi Kenmoku, Shizuoka, JP;
Kodai Hayashi, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A process cartridge is configured such that a movement direction of a surface of a developing roller is opposite to a movement direction of a surface of a toner supplying roller in a position where the developing roller is in contact with the toner supplying roller, the developing roller and the toner supplying roller rotate to satisfy a peripheral speed ratio R of 1.1 to 2.5, and a toner satisfying predetermined requirements is used.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile