Patents by Inventor Takashi Takagai

Takashi Takagai 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).

  • Radio wave absorbing coating composition and coated object therewith
    Patent number: 7615281
    Abstract: A radio wave absorbing coating composition that exhibits an excellent absorption performance of radio waves in 40 MHz to 3 GHz frequency band is provided. The radio wave absorbing coating composition contains metal powder that is made up of a martensitic Fe—Cr—Ni alloy powder and/or a martensitic Fe—Ni alloy powder, carbon powder, resin, and solvent.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: November 10, 2009
    Assignees: Fujikura Kasei Co., Ltd.
    Inventors: Toshifumi Yamamoto, Hiroaki Watanabe, Satoshi Ogino, Takashi Takagai
  • Radio Wave Absorbing Coating Composition and Coated Object Therewith
    Publication number: 20070003757
    Abstract: A radio wave absorbing coating composition that exhibits an excellent absorption performance of radio waves in 40 MHz to 3 GHz frequency band is provided. The radio wave absorbing coating composition contains metal powder that is made up of a martensitic Fe—Cr—Ni alloy powder and/or a martensitic Fe—Ni alloy powder, carbon powder, resin, and solvent.
    Type: Application
    Filed: June 23, 2006
    Publication date: January 4, 2007
    Applicants: FUJIKURA KASEI CO., LTD., MICROWAVE ABSORBERS INC.
    Inventors: Toshifumi Yamamoto, Hiroaki Watanabe, Satoshi Ogino, Takashi Takagai