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. 07, 2010
Filed:
Nov. 30, 2007
Takashi Urabe, Shinagawa-ku, Tokyo, JP;
Satoshi Araki, Shinagawa-ku, Tokyo, JP;
Takayasu Aoki, Shinagawa-ku, Tokyo, JP;
Tsuyoshi Ito, Shinagawa-ku, Tokyo, JP;
Yasuhito Noda, Shinagawa-ku, Tokyo, JP;
Motonari Udo, Shinagawa-ku, Tokyo, JP;
Masahiro Ikuta, Shinagawa-ku, Tokyo, JP;
Takafumi Hara, Shinagawa-ku, Tokyo, JP;
Takashi Urabe, Shinagawa-ku, Tokyo, JP;
Satoshi Araki, Shinagawa-ku, Tokyo, JP;
Takayasu Aoki, Shinagawa-ku, Tokyo, JP;
Tsuyoshi Ito, Shinagawa-ku, Tokyo, JP;
Yasuhito Noda, Shinagawa-ku, Tokyo, JP;
Motonari Udo, Shinagawa-ku, Tokyo, JP;
Masahiro Ikuta, Shinagawa-ku, Tokyo, JP;
Takafumi Hara, Shinagawa-ku, Tokyo, JP;
Other;
Abstract
A developing agent including a toner particle obtained by using a dispersion containing a solvent, a granular mixed compound having a binder resin and a coloring agent dispersed in the solvent, and, as an additive to disperse a compound, a combination of a surfactant and a basic compound or a combination of a sulfone-based surfactant and a polycarboxylic acid-based surfactant, wherein the additive remaining in the developing agent is within a predetermine range.