Patents by Inventor Sadamichi Koga

Sadamichi Koga 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).

  • Capacitive level sensor
    Patent number: 5477727
    Abstract: A main sensor electrode part 3 and a reference sensor electrode part 4 are deposited in patterns over the surface of a support member 10. A lead-out part 4b of the reference sensor electrode part 4 is extended through an unplated passage 11 of the main sensor electrode part 3 to the upper edge of the support member 10 to form there a terminal part 4a. A portion of the main sensor electrode part 3 is also extended to the upper edge of the support member 10 to form there a terminal part 3a. The support member 10 is deposited all over its surface with an insulating film 12 covering the both sensor electrode parts 3 and 4.
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: December 26, 1995
    Assignee: Japan Aviation Electronics Industry Limited
    Inventor: Sadamichi Koga