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:
Mar. 01, 2016
Filed:
Mar. 13, 2013
Junichi Awamura, Shizuoka, JP;
Teruki Kusahara, Shizuoka, JP;
Satoshi Ogawa, Nara, JP;
Daisuke Ito, Kanagawa, JP;
Daisuke Inoue, Shizuoka, JP;
Osamu Uchinokura, Shizuoka, JP;
Satoshi Kojima, Shizuoka, JP;
Tsuneyasu Nagatomo, Shizuoka, JP;
Mamoru Hozumi, Miyagi, JP;
Syouko Satoh, Miyagi, JP;
Junichi Awamura, Shizuoka, JP;
Teruki Kusahara, Shizuoka, JP;
Satoshi Ogawa, Nara, JP;
Daisuke Ito, Kanagawa, JP;
Daisuke Inoue, Shizuoka, JP;
Osamu Uchinokura, Shizuoka, JP;
Satoshi Kojima, Shizuoka, JP;
Tsuneyasu Nagatomo, Shizuoka, JP;
Mamoru Hozumi, Miyagi, JP;
Syouko Satoh, Miyagi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner set, including: a transparent toner including a binder resin a, a releasing agent a and no colorant; and one or more color toners, each including a binder resin b, a colorant b and a releasing agent b, wherein the binder resin a includes a non-crystalline resin α and a crystalline resin α, the binder resin b includes a non-crystalline resin β and a crystalline resin β, the releasing agent a has an average particle diameter as a long diameter of 0.2 μm to 2.0 μm, and there is a relationship of 1<A/B<1.5, where A is an area of the releasing agent a in a transparent toner cross-section from a surface thereof to a ⅓-depth of a volume-average particle diameter, and B is an area of the releasing agent b in a color-toner cross-section from a surface thereof to a ⅓-depth of a volume-average particle diameter.