Patents by Inventor Yasuo Nihira

Yasuo Nihira 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).

  • Patent number: 4339721
    Abstract: An electrostatic voltmeter for measuring the surface potential of a charged body, includes a detecting electrode locatable adjacent to the charged body, and a vibrating element having a pair of parallel spaced legs between which the detecting electrode is disposed in spaced relation. The vibrating element is vibratable such that the legs move toward and away from the charged body. The vibrating element may extend transversely or parallel to a line connecting the charged body and the detecting electrode.
    Type: Grant
    Filed: May 27, 1980
    Date of Patent: July 13, 1982
    Assignee: Ando Electric Co., Ltd.
    Inventors: Yasuo Nihira, Takuya Hosoda