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:
Nov. 12, 2024
Filed:
Jun. 02, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Shohei Yamashita, Tokyo, JP;
Takeshi Tsujino, Shizuoka, JP;
Junya Asaoka, Shizuoka, JP;
Yuu Sasano, Shizuoka, JP;
Yuhei Terui, Shizuoka, JP;
Koki Inoue, Shizuoka, JP;
Shota Amano, Kanagawa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A production method of a toner having a toner particle that contains a binder resin and an external additive that is externally added to the toner particle, wherein the production method has a toner particle dispersion step of obtaining a toner particle dispersion by dispersing the toner particle and an inorganic dispersant in an aqueous medium; and an external addition step of externally adding the external additive to the toner particle through addition of the external additive to the toner particle dispersion.