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. 27, 2011
Filed:
May. 22, 2009
Applicants:
Yasuaki Iwamoto, Numazu, JP;
Shinya Nakayama, Numazu, JP;
Yasutada Shitara, Numazu, JP;
Hiroyuki Kishida, Numazu, JP;
Inventors:
Yasuaki Iwamoto, Numazu, JP;
Shinya Nakayama, Numazu, JP;
Yasutada Shitara, Numazu, JP;
Hiroyuki Kishida, Numazu, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a toner which includes at least a binder resin, and a colorant, wherein the toner has a concentration of radioactive carbon isotope C-14 of 10.8 pMC or higher.