Patents by Inventor Kazumasa Sato

Kazumasa Sato 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).

  • Recording apparatus for electrocardiographs
    Patent number: 5251076
    Abstract: A magnetic recording apparatus for electrocardiographs wherein an input signal is converted into a digital signal, such digital signal is accumulated and intermittently recorded, thereby enabling electric power consumption to be reduced and efficiency of use to be improved. Parallel memories are used to store the digital signal at a first rate and the digital signal is read from the memories at a second rate higher than the first rate.
    Type: Grant
    Filed: March 7, 1991
    Date of Patent: October 5, 1993
    Assignee: Sony Corporation
    Inventors: Motoharu Hagiwara, Kazumasa Sato, Isao Tamaki, Tadao Sasaki, Yasukazu Sato, Yoichi Hishijima, Mitsuru Harada, Hirokazu Kimura