Patents by Inventor Seizo Yabe

Seizo Yabe 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: 4961894
    Abstract: A process for producing a synthetic resin molded article composed of a film or sheet and an injected resin part, comprising fitting a film or sheet to a cavity of a mold in position and then injection molding a thermoplastic resin, wherein said mold has a magnet buried therein at least at a position of the resin passageway at the gate or its vicinities or positions symmetrical about said passageway to form a magnetic fixing part and said film or sheet has a magnet or a ferromagnetic substance fitted thereto at a position or positions corresponding to said magnet fixing part of the mold. The process makes it possible to automate the step of fitting the sheet to the mold, and provides a large-sized or curved molded article excellent in apearance.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: October 9, 1990
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Seizo Yabe, Kunio Yamazaki
  • Patent number: 4898706
    Abstract: A process for producing a synthetic resin molded article having a pattern formed on its uneven surface, which comprises fitting a patterned film or sheet to a mold and injecting a thermoplastic resin, wherein said mold has engraved therein such an unevenness that said patterned film or sheet undergoes extension of from 5 to 120% upon resin injection, and said patterned film or sheet is a polycarbonate film or sheet having a thickness of from 0.1 to 1 mm. The resulting molded article has a clearly outlined pattern on the uneven surface.
    Type: Grant
    Filed: October 6, 1988
    Date of Patent: February 6, 1990
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Seizo Yabe, Kunio Yamazaki