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:
Feb. 03, 2026
Filed:
Sep. 12, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Yuhei Terui, Shizuoka, JP;
Takashi Kenmoku, Shizuoka, JP;
Shintaro Noji, Shizuoka, JP;
Kodai Hayashi, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The process cartridge includes a developing roller, a toner supplying roller, a toner regulating member, and a toner, a movement direction of a surface of the developing roller is opposite to a movement direction of a surface of the toner supplying roller in a position where the surface of the developing roller is in contact with the surface of the toner supplying roller, the developing roller and the toner supplying roller are formed such that a peripheral speed ratio R satisfies a range of 1.1 to 2.5, and the 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