Patents by Inventor Takakuni KAWANO

Takakuni KAWANO 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).

  • Publication number: 20210324249
    Abstract: An object of the present invention is to provide a composite material including an epoxide resin, having an improved strength. The object can be solved by a curable epoxide composition comprising an epoxide compound; a carbon fiber; a curing agent; and phosphite ester or phosphate ester. According to the present invention, a strength of the curable epoxide composition comprising a carbon fiber can be improved.
    Type: Application
    Filed: July 1, 2021
    Publication date: October 21, 2021
    Inventors: Akinobu SAITO, Shuichi WATANABE, Takakuni KAWANO, Shuichi MATAKAWA
  • Patent number: 11084960
    Abstract: An object of the present invention is to provide a composite material including an epoxide resin, having an improved strength. The object can be solved by a curable epoxide composition comprising an epoxide compound; a carbon fiber; a curing agent; and phosphite ester or phosphate ester. According to the present invention, a strength of the curable epoxide composition comprising a carbon fiber can be improved.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: August 10, 2021
    Assignee: T&K TOKA CO., LTD.
    Inventors: Akinobu Saito, Shuichi Watanabe, Takakuni Kawano, Shuichi Matakawa
  • Publication number: 20200231850
    Abstract: An object of the present invention is to provide a composite material including an epoxide resin, having an improved strength. The object can be solved by a curable epoxide composition comprising an epoxide compound; a carbon fiber; a curing agent; and phosphite ester or phosphate ester. According to the present invention, a strength of the curable epoxide composition comprising a carbon fiber can be improved.
    Type: Application
    Filed: May 17, 2019
    Publication date: July 23, 2020
    Inventors: Akinobu SAITO, Shuichi WATANABE, Takakuni KAWANO, Shuichi MATAKAWA