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:
Jan. 23, 2018
Filed:
Oct. 28, 2015
Applicants:
Hideki Sugiura, Kanagawa, JP;
Mio Kumai, Tokyo, JP;
Inventors:
Hideki Sugiura, Kanagawa, JP;
Mio Kumai, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01); G03G 9/08 (2006.01); G03G 9/097 (2006.01); G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08782 (2013.01); G03G 9/0819 (2013.01); G03G 9/08755 (2013.01); G03G 9/08791 (2013.01); G03G 9/09733 (2013.01); G03G 15/0126 (2013.01); G03G 2215/0129 (2013.01); G03G 2215/0141 (2013.01); G03G 2215/0607 (2013.01);
Abstract
A toner, including a binder resin, a release agent, and a colorant, wherein a total amount of hydrocarbon compounds having 33 to 35 carbon atoms in the toner measured by ion attachment mass spectrometry (IAMS) is 40% to 70% in terms of a signal intensity ratio.