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. 03, 2008
Filed:
Jul. 27, 2005
Kohsuke Suzuki, Numazu, JP;
Tomio Kondoh, Numazu, JP;
Shinichiro Yagi, Numazu, JP;
Hitoshi Iwatsuki, Numazu, JP;
Kohsuke Suzuki, Numazu, JP;
Tomio Kondoh, Numazu, JP;
Shinichiro Yagi, Numazu, JP;
Hitoshi Iwatsuki, Numazu, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A carrier containing a core material and a resin coating layer located overlying the surface of the core material. The resin coating layer contains resin and electroconductive particles having an oil absorption amount of from 10 to 300 ml/100 g. The electroconductive particle contains a base material particle and an electroconductive coating layer located overlying the surface of the base material particle. The electroconductive coating layer contains an underlayer containing tin dioxide and an upper layer containing indium oxide and tin dioxide, located overlying the underlayer.