Patents by Inventor Hidefumi Takiuchi

Hidefumi Takiuchi 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).

  • Antithrombogenic biomedical material
    Patent number: 4424311
    Abstract: Provided is an antithrombogenic biomedical material comprising a copolymer of (A) not less than 5% by weight of one or more polymerizable monomers having a polyethylene oxide unit with a degree of polymerization not less than 5 and a polymerizable carbon-carbon double bond and (B) not more than 95% by weight of one or more monomers copolymerizable with said monomer (A).
    Type: Grant
    Filed: June 30, 1982
    Date of Patent: January 3, 1984
    Assignee: Toray Industries, Incorporated
    Inventors: Shoji Nagaoka, Hidefumi Takiuchi, Yuichi Mori, Tetsuya Kikuchi