Patents by Inventor Tuguhisa Miyamoto

Tuguhisa Miyamoto 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).

  • Method and apparatus for molding resin foam product
    Patent number: 8337186
    Abstract: An example molding method includes: feeding a molten foamable resin by injection in a cavity formed in a molding die; allowing the molten foamable resin to flow in the cavity; and foaming and solidifying the molten foamable resin to mold a resin foam product. The example molding method performs flow rate control by controlling a flow rate of the molten foamable resin at a welding portion to be equal to or higher than a flow rate of the molten foamable resin at an upstream portion adjacent to the welding portion.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: December 25, 2012
    Assignee: Mazda Motor Corporation
    Inventors: Tuguhisa Miyamoto, Junichi Ogawa, Mitsuharu Kaneko, Yukinori Nakajima
  • METHOD AND APPARATUS FOR MOLDING RESIN FOAM PRODUCT
    Publication number: 20100181692
    Abstract: An example molding method includes: feeding a molten foamable resin by injection in a cavity formed in a molding die; allowing the molten foamable resin to flow in the cavity; and foaming and solidifying the molten foamable resin to mold a resin foam product. The example molding method performs flow rate control by controlling a flow rate of the molten foamable resin at a welding portion to be equal to or higher than a flow rate of the molten foamable resin at an upstream portion adjacent to the welding portion.
    Type: Application
    Filed: December 28, 2009
    Publication date: July 22, 2010
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Tuguhisa MIYAMOTO, Junichi OGAWA, Mitsuharu KANEKO, Yukinori NAKAJIMA