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. 21, 2025
Filed:
Jul. 18, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Shohei Kototani, Shizuoka, JP;
Masatake Tanaka, Kanagawa, JP;
Yosuke Sugitani, Kanagawa, JP;
Daisuke Baba, Shizuoka, JP;
Takashi Hiramatsu, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A cartridge provides comprising: a toner, a developing roller, a supply member and a regular member. The supply member abuts the surface of the developing roller and the regulating member serves to regulate the toner carried on the surface of the developing roller. The cartridge includes a first supply electrode to which a voltage is supplied from outside of the cartridge, with the supply member and the regulating member electrically connected to the same first supply electrode. Additionally, the toner contains a compound A having a structure represented by Formula (1) below,—(CHCHO)— (1)