Patents by Inventor Kyoji Miyata

Kyoji Miyata 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).

  • Patent number: 5396249
    Abstract: A microwave absorber in a pointed shape, including a phenol resin foam containing a dielectric loss material, is prepared by setting an incombustible sheet container of a same shape in a mold in a pointed shape, pouring the phenol resin to which the dielectric loss material is blended, and foaming and curing. As a result, a semi-incombustible or incombustible microwave absorber of high strength possessing a high microwave absorption capacity in a wideband is obtained.
    Type: Grant
    Filed: September 3, 1993
    Date of Patent: March 7, 1995
    Assignees: Otsuka Science Co., Ltd., Nitto Boseki Co., Ltd.
    Inventors: Shinichi Yamada, Kyoji Miyata, Kazuhiko Mori, Osamu Yamamoto, Yukitoshi Sato