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. 27, 2013
Filed:
Jun. 14, 2011
Satoshi Ogawa, Nara, JP;
Daisuke Inoue, Shizuoka, JP;
Daisuke Ito, Shizuoka, JP;
Osamu Uchinokura, Shizuoka, JP;
Junichi Awamura, Shizuoka, JP;
Teruki Kusahara, Shizuoka, JP;
Satoshi Kojima, Shizuoka, JP;
Mamoru Hozumi, Miyagi, JP;
Shoko Sato, Miyagi, JP;
Satoshi Ogawa, Nara, JP;
Daisuke Inoue, Shizuoka, JP;
Daisuke Ito, Shizuoka, JP;
Osamu Uchinokura, Shizuoka, JP;
Junichi Awamura, Shizuoka, JP;
Teruki Kusahara, Shizuoka, JP;
Satoshi Kojima, Shizuoka, JP;
Mamoru Hozumi, Miyagi, JP;
Shoko Sato, Miyagi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner containing a binder resin, a colorant, and a releasing agent, wherein the colorant contains a mixed crystal of a C. I. PIGMENT YELLOW 185 and a C. I. PIGMENT YELLOW 139, and wherein a mass ratio of the C. I. PIGMENT YELLOW 185 to the C. I. PIGMENT YELLOW 139 (mass of the C. I. PIGMENT YELLOW 185/mass of the C. I. PIGMENT YELLOW 139) in the toner is 95/5 to 50/50.