Patents by Inventor Hirokichi Komiya

Hirokichi Komiya 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: 4207852
    Abstract: The present invention discloses a system which utilizes the storage action of capacitors and the characteristic of the turn-off operation due to a potential difference between the base and emitter of a transistor, and immediately after a primary short-circuit current flowing through a primary winding of an ignition coil has reached a maximum, that is, immediately after a forward induced voltage in the primary winding has reached a maximum, the primary short-circuit current is cut off in accordance with information in which the forward induced voltage in the primary winding is at its maximum to always effect the ignition operation immediately after the primary short-circuit current is at its maximum.
    Type: Grant
    Filed: February 7, 1979
    Date of Patent: June 17, 1980
    Assignee: Iida Denki Kogyo Co., Ltd.
    Inventors: Yoshinori Ohki, Hirokichi Komiya