Patents by Inventor Toshihiko Beppu

Toshihiko Beppu 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).

  • Washing arrangement for and method of washing lead frames
    Patent number: 4960140
    Abstract: A washing arrangement for and method of removing burrs of moldable substances from upper and lower major surfaces of lead frames on portions of which the burrs were undesirably applied during molding comprises a transfer assembly which is located outside a washing chamber of the arrangement. The transfer assembly is not subject to the hot and humid environment existing within the washing chamber, thereby preventing corrosion, and facilitating ready inspection and maintenance of the arrangement.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: October 2, 1990
    Assignees: Ishijima Industrial Co., Ltd., Ebara Corporation
    Inventors: Akira Ishijima, Toshihiko Beppu, Gunpei Kikuchi