Patents by Inventor Toshiki Koso

Toshiki Koso 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).

  • Frequency selective electromagnetic wave shielding material and a method for using the same
    Patent number: 6147302
    Abstract: A frequency-selective electromagnetic wave shielding material is used for shielding areas or devices from electromagnetic waves. The electromagnetic wave shielding material has a substrate with a plurality of electroconductive loop parts which are spatially allocated on the substrate, wherein each of the electroconductive loop parts is insulated from all other electroconductive loop parts.
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: November 14, 2000
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Seiichi Matsuo, Toshiki Koso, Shoichi Iida