Patents by Inventor Masakatsu Fijie

Masakatsu Fijie 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).

  • Force sensing means
    Patent number: 4579006
    Abstract: In force sensing apparatus for a driving device which employs a shape memory alloy, note is taken of the fact that a force to be generated by the shape memory alloy varies depending upon the temperature or resistance and the displacement of the shape memory alloy, and force information on an output of the driving device is detected on the basis of information of the temperature or resistance and the displacment of the shape memory alloy.
    Type: Grant
    Filed: July 31, 1984
    Date of Patent: April 1, 1986
    Assignee: Hitachi, Ltd.
    Inventors: Yuji Hosoda, Masakatsu Fijie, Kazuo Honma, Taro Iwamoto, Kohji Kamejima, Yoshio Kojima, Yoshiyuki Nakano