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:
Aug. 30, 2005
Filed:
Mar. 24, 2003
Toshiki Nanya, Mishima, JP;
Masami Tomita, Numazu, JP;
Shigeru Emoto, Numazu, JP;
Hiroshi Yamada, Numazu, JP;
Shinichiro Yagi, Numazu, JP;
Naohiro Watanabe, Sunto-gun, JP;
Tadao Takigawa, Shinshiro, JP;
Toshiki Nanya, Mishima, JP;
Masami Tomita, Numazu, JP;
Shigeru Emoto, Numazu, JP;
Hiroshi Yamada, Numazu, JP;
Shinichiro Yagi, Numazu, JP;
Naohiro Watanabe, Sunto-gun, JP;
Tadao Takigawa, Shinshiro, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner for developing an electrostatic image, including a colorant, a binder resin comprising a modified polyester, and fine resin particles having a weight average particle diameter of 50 to 300 nm and being present on an outer surface of the toner, wherein the toner has a BET specific surface area of 1.5 to 4.0 m/g.