Patents by Inventor Motochika Ishibashi

Motochika Ishibashi 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).

  • Electroplating method and apparatus
    Patent number: 3933601
    Abstract: An electroplating method is disclosed and includes the rotation of a substrate, submerged within an electrolytic solution, under the application of ultrasonic waves, and the ejection of the electrolytic solution containing bubbles in a direction opposite the direction of rotation of the substrate. The electroplating apparatus for electroplating the substrate submerged within the electrolytic solution disposed within an electrolytic cell applies ultrasonic waves to the solution and additionally includes a driving device for rotating the substrate, a bubble generator for entraining bubbles within the electrolytic solution, and an ejector for ejecting the electrolytic solution containing the bubbles generated by means of the bubble generator in a direction which is opposite to the direction of rotation of the substrate.
    Type: Grant
    Filed: March 13, 1975
    Date of Patent: January 20, 1976
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Motochika Ishibashi, Takahiko Inuzuka, Tetsuo Maegawa