Patents by Inventor Naoki Honbo

Naoki Honbo 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).

  • Gas barrier material
    Patent number: 8029896
    Abstract: Provided is a material for gas barrier containing cellulose fibers having an average fiber diameter of not more than 200 nm, wherein the content of the carboxyl group in a cellulose composing the cellulose fiber is 0.1 to 2 mmol/g. A molded composite having gas barrier properties such as high oxygen barrier properties can be produced by applying the material for gas barrier on a substrate and drying.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: October 4, 2011
    Assignee: Kao Corporation
    Inventors: Yoshiaki Kumamoto, Kenta Mukai, Toru Ugajin, Takahiro Maezawa, Naoki Honbo, Akira Isogai
  • GAS BARRIER MATERIAL
    Publication number: 20100316863
    Abstract: Provided is a material for gas barrier containing cellulose fibers having an average fiber diameter of not more than 200 nm, wherein the content of the carboxyl group in a cellulose composing the cellulose fiber is 0.1 to 2 mmol/g. A molded composite having gas barrier properties such as high oxygen barrier properties can be produced by applying the material for gas barrier on a substrate and drying.
    Type: Application
    Filed: August 7, 2008
    Publication date: December 16, 2010
    Applicant: Kao Corporation
    Inventors: Yoshiaki Kumamoto, Kenta Mukai, Toru Ugajin, Takahiro Maezawa, Naoki Honbo, Akira Isogai