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. 14, 2026
Filed:
Dec. 21, 2021
Tomomi Harashima, Shizuoka, JP;
Junichi Watanabe, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Shinya Nakayama, Shizuoka, JP;
Tomomi Harashima, Shizuoka, JP;
Junichi Watanabe, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Shinya Nakayama, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
Provided is a toner including toner base particles. Each toner base particle includes a crosslinked component. The crosslinked component includes a nonlinear polymer having 3 or more branches, terminals of which are metal ion crosslinked, and a glass transition temperature Tg of the nonlinear polymer as measured by differential scanning calorimetry is −60° C. or higher but lower than 0° C.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile