Patents by Inventor Kazutoshi Onishi

Kazutoshi Onishi 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: 3949696
    Abstract: A marine steering arrangement wherein each of the starboard steering switch and port steering switch connected to a power source is closed upon receipt of an actuating signal resulting from a difference between an order signal of a rudder angle and an actual signal of a rudder angle, so as to conduct power to a rudder driving mechanism, rotating the rudder to the order rudder angle position within an allowable extent of the rudder angle, is provided with an improvement which further comprises at least one limit switch for shutting off the power source to stop any further rotation of the rudder beyond either of the rudder angle limits.
    Type: Grant
    Filed: September 23, 1974
    Date of Patent: April 13, 1976
    Assignee: Tokyo Keiki Company Limited
    Inventors: Kazutoshi Onishi, Tsuneo Awano, Isao Masuzawa