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:
Jul. 26, 2011
Filed:
Apr. 16, 2008
Masahiro Ikuta, Mishima, JP;
Takayasu Aoki, Mishima, JP;
Takashi Urabe, Sunto-gun, JP;
Tsuyoshi Ito, Izunokuni, JP;
Motonari Udo, Mishima, JP;
Satoshi Araki, Izunokuni, JP;
Masahiro Ikuta, Mishima, JP;
Takayasu Aoki, Mishima, JP;
Takashi Urabe, Sunto-gun, JP;
Tsuyoshi Ito, Izunokuni, JP;
Motonari Udo, Mishima, JP;
Satoshi Araki, Izunokuni, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Abstract
A method for producing a developing agent, includes preparing a dispersion of particles containing a binder resin and a coloring agent and forming toner particles by aggregating and fusing the particles, in which the number of coarse particles having a particle size of 0.6 μm or larger after the solid concentration of the dispersion of particles is adjusted to 1 ppm is less than 3,000 per μL.