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.:

US 9170511 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 27, 2015

Filed:

Mar. 13, 2014
Applicants:

Tatsuru Moritani, Shizuoka, JP;

Yoshihiro Moriya, Shizuoka, JP;

Hiroshi Yamada, Shizuoka, JP;

Ryota Inoue, Shizuoka, JP;

Shinya Nakayama, Shizuoka, JP;

Atsushi Yamamoto, Osaka, JP;

Inventors:

Tatsuru Moritani, Shizuoka, JP;

Yoshihiro Moriya, Shizuoka, JP;

Hiroshi Yamada, Shizuoka, JP;

Ryota Inoue, Shizuoka, JP;

Shinya Nakayama, Shizuoka, JP;

Atsushi Yamamoto, Osaka, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/087 (2006.01); G03G 9/093 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08764 (2013.01); G03G 9/0821 (2013.01); G03G 9/08711 (2013.01); G03G 9/08728 (2013.01); G03G 9/08755 (2013.01); G03G 9/08795 (2013.01); G03G 9/08797 (2013.01); G03G 9/09314 (2013.01); G03G 9/09328 (2013.01); G03G 9/09371 (2013.01); G03G 9/09392 (2013.01);
Abstract

Toner contains a binder resin containing one or more kinds of crystalline resin and one or more kinds of non-crystalline resin. The non-crystalline resin located at the surface portion of the toner forms a shell structure of a continuous phase of the non-crystalline resin and the toner has an amount of melting heat of 30 J/g or more in a second temperature rising as measured by differential scanning calorimetry (DSC).


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