Patents by Inventor Kazuto Shingai

Kazuto Shingai 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).

  • Optical information recorder
    Patent number: 4837759
    Abstract: An optical information recorder in which a focusing unit is coupled through a piezoelectric unit to a screw driven carriage. The screw is used for rough adjustment and the piezoelectric unit for fine adjustment.
    Type: Grant
    Filed: September 16, 1987
    Date of Patent: June 6, 1989
    Assignees: Pioneer Electronic Corporation, Pioneer Video Corporation
    Inventors: Hidehiro Miyazaki, Kazuto Shingai, Susumu Ohsawa