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:
Jun. 06, 2006
Filed:
Nov. 14, 2003
Masami Tomita, Shizuoka, JP;
Fumihiro Sasaki, Shizuoka, JP;
Toshiki Nanya, Shizuoka, JP;
Hiroto Higuchi, Shizuoka, JP;
Shinichiro Yagi, Shizuoka, JP;
Shigeru Emoto, Shizuoka, JP;
Tomoyuki Ichikawa, Shizuoka, JP;
Naohito Shimota, Shizuoka, JP;
Maiko Kondo, Shizuoka, JP;
Tadao Takikawa, Aichi, JP;
Masami Tomita, Shizuoka, JP;
Fumihiro Sasaki, Shizuoka, JP;
Toshiki Nanya, Shizuoka, JP;
Hiroto Higuchi, Shizuoka, JP;
Shinichiro Yagi, Shizuoka, JP;
Shigeru Emoto, Shizuoka, JP;
Tomoyuki Ichikawa, Shizuoka, JP;
Naohito Shimota, Shizuoka, JP;
Maiko Kondo, Shizuoka, JP;
Tadao Takikawa, Aichi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A dry toner contains at least a toner binder, organic fine particles, a colorant, a wax, a charge control agent, and an external additive. The wax is concentrated in the vicinity of a toner core including the toner binder, colorant and wax. The organic fine particles adhere to the surface of the toner core to form a base toner-particle, the fine particle of charge control agent adhere to the surface of the base toner-particle, and the external additive is located on the surface thereof.