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:
Oct. 14, 2008
Filed:
Dec. 28, 2004
Shinichiro Yagi, Shizuoka, JP;
Hiroshi Yamada, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Naohiro Watanabe, Shizuoka, JP;
Tsunemi Sugiyama, Shizuoka, JP;
Shigeru Emoto, Shizuoka, JP;
Masami Tomita, Shizuoka, JP;
Toshiki Nanya, Shizuoka, JP;
Tadao Takikawa, Aichi, JP;
Shinichiro Yagi, Shizuoka, JP;
Hiroshi Yamada, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Naohiro Watanabe, Shizuoka, JP;
Tsunemi Sugiyama, Shizuoka, JP;
Shigeru Emoto, Shizuoka, JP;
Masami Tomita, Shizuoka, JP;
Toshiki Nanya, Shizuoka, JP;
Tadao Takikawa, Aichi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner for developing an electrostatic image which has a small particle size essential for attaining a high-quality image, and can output a high-quality image excellent in frictional charging property and free from scumming. The toner for developing an electrostatic image has the volume average particle diameter of 2.0 μm to 7.1 μm and the surface condition of the toner is in scab form.