Patents by Inventor Hideaki Suezaki

Hideaki Suezaki 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: 4983111
    Abstract: Apparatus for resin sealing semiconductor devices is disclosed, wherein semiconductor devices such as semiconductor chips are placed in cavities provided in a pair of chase blocks, which are clamped by a press machine through support members capable of elastic compressive deformation. Plastic is then injected into the cavities of the chase blocks such as to resin seal the semiconductor devices.Also disclosed is a device for resin sealing semiconductor devices, which device comprises: a pair of chase blocks equipped with cavities for holding semiconductor devices, a press machine for pressing the chase blocks against each other through a pair of press surfaces, a plurality of support members adapted to hold the chase blocks over the respective press surfaces of the press machine and to undergo elastic compressive deformation during the press operation of the press machine, and a plastic injector for injecting plastic into the cavities provided in the chase blocks.
    Type: Grant
    Filed: December 8, 1989
    Date of Patent: January 8, 1991
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yasutsugu Tsutsumi, Sueyoshi Tanaka, Tatsuro Takahashi, Yutaka Morita, Hideaki Suezaki, Hiromichi Yamada
  • Patent number: 4915608
    Abstract: A device for resin sealing semiconductor devices includes a pair of chase blocks having cavities for holding semiconductor devices, a press machine for pressing the chase blocks against each other through a pair of press surfaces, a plurality of support members for holding the chase blocks over the respective press surfaces of the press machine and undergoing elastic compressive deformation during the press operation of the press machine, and a plastic injector for injecting plastic into the cavities in the chase blocks.
    Type: Grant
    Filed: July 15, 1988
    Date of Patent: April 10, 1990
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yasutsugu Tsutsumi, Sueyoshi Tanaka, Tatsuro Takahashi, Yutaka Morita, Hideaki Suezaki, Hiromichi Yamada