Patents by Inventor Tomonobu Yaguchi

Tomonobu Yaguchi 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).

  • Biological piezoelectric transducer device for the living body
    Patent number: 4443730
    Abstract: A biological transducer device for measuring blood pressure, heart pulse, heart sound etc. comprising a high molecular piezoelectric element which is in a thin film or ribbon form so that the transducer is very pliable so as to make close accurate contact with a measuring point on a human body without producing any creases. The piezoelectric element is enclosed in netting comprised of a metal wire mesh so that the transducer is completely shielded from outer mechanical and electrical noise.
    Type: Grant
    Filed: May 12, 1982
    Date of Patent: April 17, 1984
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Mitsuaki Kitamura, Toshio Nakayama, Kunio Kamimura, Iwao Seo, Tomonobu Yaguchi