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. 10, 2015
Filed:
Mar. 04, 2013
Shinya Nakayama, Shizuoka, JP;
Atsushi Yamamoto, Shizuoka, JP;
Yukiko Nakajima, Kanagawa, JP;
Masahide Yamada, Shizuoka, JP;
Hideyuki Santo, Kanagawa, JP;
Suzuka Amemori, Shizuoka, JP;
Shinya Nakayama, Shizuoka, JP;
Atsushi Yamamoto, Shizuoka, JP;
Yukiko Nakajima, Kanagawa, JP;
Masahide Yamada, Shizuoka, JP;
Hideyuki Santo, Kanagawa, JP;
Suzuka Amemori, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A development agent containing toner that contains a binder resin having a crystalline resin that has a urethane and/or urea bond in its main chain, a coloring agent, and an organically modified inorganic laminate compound in which organic ions are at least partially substituted for ions present between layers of the organically modified inorganic laminate compound, and toner carrier that contains a core material whose surface is coated with a coating layer having a condensed compound of a melamine resin and/or a guanamine resin and an acrylic resin having a hydroxyl group.