Patents by Inventor Cao Jun

Cao Jun 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).

  • Electrophoretic particle, electrophoretic particle dispersion liquid, display medium, and display device
    Patent number: 10031394
    Abstract: There is provided an electrophoretic particle which contains a core material particle formed of a composition containing a resin, a nitrogen-containing heterocyclic compound having any one of an imino group, a methylol group and an alkoxymethyl group in the molecule and a heterocyclic ring having a nitrogen atom, and a coloring agent.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: July 24, 2018
    Assignee: E Ink Corporation
    Inventors: Daisuke Nakayama, Yasuo Yamamoto, Naoki Hiji, Mieko Seki, Ryota Mizutani, Chikara Manabe, Cao Jun, Toshihide Aoshima
  • Dispersion liquid for electrophoretic display, display medium, and display device
    Patent number: 9348193
    Abstract: There is provided a dispersion liquid for electrophoretic display, containing a dispersion medium 50, a colored electrophoretic particle group 34 that is dispersed in the dispersion medium and migrates in the dispersion medium according to an electric field, a non-electrophoretic particle group 36 that is dispersed without migrating in the dispersion medium and has a color different from that of the electrophoretic particle group, and a compound having a neutral polar group and a hydrophobic group, which is contained in the dispersion medium in a ratio of about 0.01 to about 1 mass % based on the entire dispersion liquid.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: May 24, 2016
    Assignee: E INK CORPORATION
    Inventors: Naoki Hiji, Ryota Mizutani, Chikara Manabe, Cao Jun, Toshihide Aoshima, Daisuke Nakayama, Yasuo Yamamoto