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:
Dec. 02, 2008
Filed:
Sep. 16, 2005
Chiaki Tanaka, Shizuoka, JP;
Naohiro Watanabe, Shizuoka, JP;
Masahiro Ohki, Numazu, JP;
Masahide Yamada, Numazu, JP;
Akinori Saitoh, Numazu, JP;
Sonoh Matsuoka, Numazu, JP;
Ryota Inoue, Numazu, JP;
Shigeru Emoto, Numazu, JP;
Chiaki Tanaka, Shizuoka, JP;
Naohiro Watanabe, Shizuoka, JP;
Masahiro Ohki, Numazu, JP;
Masahide Yamada, Numazu, JP;
Akinori Saitoh, Numazu, JP;
Sonoh Matsuoka, Numazu, JP;
Ryota Inoue, Numazu, JP;
Shigeru Emoto, Numazu, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An object of the present invention is to provide a toner having small-sized and potato-shaped particles created from multiple coherent spherical particles for excellent cleaning ability and high image quality, an image-forming method that realizes high image quality using the toner, and the like. To this end, there is provided a toner, which is produced by granulating toner materials as an organic phase comprising at least a binder resin and a colorant in an aqueous medium and has potato-shaped particles created from multiple coherent primary oil droplets of the organic phase in the aqueous medium.