Patents by Inventor Fang-Yi Hsu

Fang-Yi Hsu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of forming electrophotographic toner
    Patent number: 7666565
    Abstract: A method of forming electrophotographic toner. An organic solution containing a polymer resin and a solvent and an aqueous solution containing an anti-coagulant are provided. The aqueous solution is added into the organic solution to form colloidal polymer particles. The colloidal polymer particles are then aggregated, coalesced, and solidified to form toner particles.
    Type: Grant
    Filed: August 26, 2005
    Date of Patent: February 23, 2010
    Assignee: Sinonar Corp.
    Inventors: Ming-Huei Liu, Chih-Chia Hung, Fang-Yi Hsu
  • Method of forming electrophotographic toner
    Publication number: 20070048654
    Abstract: A method of forming electrophotographic toner. An organic solution containing a polymer resin and a solvent and an aqueous solution containing an anti-coagulant are provided. The aqueous solution is added into the organic solution to form colloidal polymer particles. The colloidal polymer particles are then aggregated, coalesced, and solidified to form toner particles.
    Type: Application
    Filed: August 26, 2005
    Publication date: March 1, 2007
    Inventors: Ming-Huei Liu, Chih-Chia Hung, Fang-Yi Hsu