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:
Jul. 01, 2025
Filed:
Apr. 20, 2022
Applicants:
Toshihiko Sugiyama, Shizuoka, JP;
Junichi Watanabe, Shizuoka, JP;
Yuka Mizoguchi, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Kazuoki Fuwa, Shizuoka, JP;
Tsuneyasu Nagatomo, Shizuoka, JP;
Inventors:
Toshihiko Sugiyama, Shizuoka, JP;
Junichi Watanabe, Shizuoka, JP;
Yuka Mizoguchi, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Kazuoki Fuwa, Shizuoka, JP;
Tsuneyasu Nagatomo, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08793 (2013.01); G03G 9/08797 (2013.01);
Abstract
A toner includes a binding resin; and a metal crosslinking agent that forms a metal crosslinking with the binding resin. A measurement curve of a storage elastic modulus G' in a dynamic viscoelasticity measurement has a maximum value in a range of 100° C. or more.