Patents by Inventor Tadayoshi Shiomi

Tadayoshi Shiomi 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).

  • Cantilever and phonograph pickup cartridge including said cantilever
    Patent number: 4397013
    Abstract: A cantilever for use in supporting a stylus tip of a phonograph pickup is disclosed, which consists of a pipe of a ceramic material composed mainly of aluminum oxide. This cantilever is light weight and has a high Young's modulus. When this cantilever is attached to a phonograph pickup, reproduction loss can be remarkably reduced over all the reproduction frequency range and sounds can be reproduced having good response characteristics.
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: August 2, 1983
    Assignees: Kyoto Ceramic Co., Ltd., Nagaoka & Co., Ltd.
    Inventors: Tadayoshi Shiomi, Toshihiko Nishioka