Patents by Inventor Tameyuki Akishika

Tameyuki Akishika 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: 4429575
    Abstract: This invention relates to a method and apparatus for inspecting a non-metallic object by means of impact elastic waves to measure the thickness of the non-metallic object such as a concrete structure, solid, etc. or to detect foreign matter contained therein. Impact elastic waves are propagated into the non-metallic object by striking an impact plate mounted thereupon with a hammer or the like.
    Type: Grant
    Filed: September 3, 1981
    Date of Patent: February 7, 1984
    Inventor: Tameyuki Akishika