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. 23, 2010
Filed:
Aug. 31, 2006
Masahiro Ohki, Iruma, JP;
Naohiro Watanabe, Shizuoka, JP;
Ryota Inoue, Mishima, JP;
Masahide Yamada, Numazu, JP;
Akinori Saitoh, Numazu, JP;
Shigeru Emoto, Numazu, JP;
Tsunemi Sugiyama, Kashiwa, JP;
Shinichi Wakamatsu, Numazu, JP;
Masahiro Ohki, Iruma, JP;
Naohiro Watanabe, Shizuoka, JP;
Ryota Inoue, Mishima, JP;
Masahide Yamada, Numazu, JP;
Akinori Saitoh, Numazu, JP;
Shigeru Emoto, Numazu, JP;
Tsunemi Sugiyama, Kashiwa, JP;
Shinichi Wakamatsu, Numazu, JP;
Ricoh Company Limited, Tokyo, JP;
Abstract
A toner is provided including a binder resin including at least one polyester resin in an amount of from 50 to 100% by weight, and a colorant having a specific formula, wherein the toner has a shape factor SF-1 of from 120 to 150 and a shape factor SF-2 of from 125 to 180; and a developer using the toner.