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. 01, 2005
Filed:
Oct. 31, 2002
Shinichiro Yagi, Numazu, JP;
Masami Tomita, Numazu, JP;
Toshiki Nanya, Mishima, JP;
Shigeru Emoto, Numazu, JP;
Hiroshi Yamada, Numazu, JP;
Hiroshi Yamashita, Numazu, JP;
Naohiro Watanabe, Suntoh-gun, JP;
Tsunemi Sugiyama, Numazu, JP;
Tadao Takigawa, Shinshiro, JP;
Shinichiro Yagi, Numazu, JP;
Masami Tomita, Numazu, JP;
Toshiki Nanya, Mishima, JP;
Shigeru Emoto, Numazu, JP;
Hiroshi Yamada, Numazu, JP;
Hiroshi Yamashita, Numazu, JP;
Naohiro Watanabe, Suntoh-gun, JP;
Tsunemi Sugiyama, Numazu, JP;
Tadao Takigawa, Shinshiro, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
Toner particles including a binder resin; a colorant; and a particulate resin which is present at least on a surface of the toner particles and which has a glass transition temperature of form 50 to 90° C., wherein a ratio (Dv/Dn) of a volume average particle diameter (Dv) of the toner particles to a number average particle diameter (Dn) thereof is from 1.00 to 1.40 and the surface of the toner particles is covered with the particulate resin at a covering ratio of from 1 to 90 %. A method for manufacturing the toner particles is provided. A developer including a toner including the toner particles is provided. A developing method using a toner including the toner particles is provided. A toner container containing the toner particles is provided.