Patents by Inventor Hiroaki Tsubakishita

Hiroaki Tsubakishita 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).

  • Wind velocity sensor
    Patent number: 4625565
    Abstract: A wind velocity sensor provided with a stationary base having a permanent magnet or a Hall element fixed thereon, an elastic plate having the other of the permanent magnet and the Hall element fixed to a portion opposite to the one of the permanent magnet and the Hall element, and an inversion amplifier having the outputs of the Hall element inputted thereto, the inversion amplifier developing a liner output with respect to wind velocity.
    Type: Grant
    Filed: April 5, 1985
    Date of Patent: December 2, 1986
    Assignee: Sinko Kogyo Co., Ltd.
    Inventors: Eiichi Wada, Motohiro Gahara, Hiroaki Tsubakishita