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:
Aug. 23, 2011
Filed:
Jan. 16, 2007
Applicants:
Takashi Urabe, Sunto-gun, JP;
Tsuyoshi Ito, Izunokuni, JP;
Motonari Udo, Mishima, JP;
Masahiro Ikuta, Mishima, JP;
Inventors:
Takashi Urabe, Sunto-gun, JP;
Tsuyoshi Ito, Izunokuni, JP;
Motonari Udo, Mishima, JP;
Masahiro Ikuta, Mishima, JP;
Assignees:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for manufacturing a developing agent by mixing a resin having a dissociable functional group and an aqueous medium, subjecting the mixture to mechanical shearing, finely pulverizing the pulverized mixture to form resin microparticles, adding a dispersion of colorant particles, causing the resin microparticles and colorant particles to agglomerate, and forming toner particles.