Patents by Inventor Shigeru Jyoumura

Shigeru Jyoumura 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: 5254212
    Abstract: A method of making a layered electrostrictive displacement device by forming sheets of an electrostrictive material alternately with internal electrodes. The laminate formed therefrom has two opposite surfaces at which the ends of the internal electrodes are exposed and two other opposite surfaces at which alternate layers of the internal electrodes are exposed. Temporary external electrodes are formed on the latter mentioned opposite surfaces. Alternate layers of the exposed portions of the internal electrodes are plated at one surface of the laminate with a metal while using a temporary external electrode as a cathode. The exposed portions of the other internal electrodes are plated with metal using another temporary external electrode as a cathode. The non-plated portions of the plated surface are selectively removed to form recesses, and an insulating film is formed on the recesses.
    Type: Grant
    Filed: May 6, 1992
    Date of Patent: October 19, 1993
    Assignee: Hitachi Metals, Ltd.
    Inventors: Takahiro Someji, Junichi Watanabe, Yoshiyuki Watanabe, Shigeru Jyoumura, Katsuhiko Kojyou, Kazuo Kazama, Kiyomi Tanaka