Patents by Inventor Yasuo Ugai

Yasuo Ugai 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).

  • Portable pulse meter
    Patent number: 4332258
    Abstract: A portable pulse meter comprising a rigid body, a detector plate provided with a light source and a photoelectric element for detecting the light from said source as reflected by a blood stream in a blood vessel, and means for resiliently mounting said detector plate on said rigid body so that said detector plate is movable relative to said rigid body.
    Type: Grant
    Filed: September 29, 1980
    Date of Patent: June 1, 1982
    Inventors: Asajiro Arai, Yasuo Ugai