Patents by Inventor Keisuke Kida

Keisuke Kida 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).

  • Electric-wave absorbing material for construction
    Patent number: 5146047
    Abstract: The electric-wave absorbing material for construction includes a medium and a large number of electric-wave absorbing particles dispersed therein. The particles are in the form of capsules filled with water. The electric-wave absorbing material for construction may be made of a construction material having provided thereon an electric-wave absorbing layer which includes such electric-wave absorbing particles.
    Type: Grant
    Filed: March 7, 1991
    Date of Patent: September 8, 1992
    Assignees: Shimizu Construction Co., Ltd., Nippon Light Metal Company, Ltd.
    Inventors: Kouji Nagata, Minoru Sugita, Keisuke Kida, Toru Watanabe, Ken'yo Matsushita