Patents by Inventor Masanori Igaki

Masanori Igaki 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: 6602586
    Abstract: An elastic block, which is adapted to be paved on an underlying base for absorbing impacts, includes a laminate composed of a powdery rubber-containing layer and a vulcanized rubber layer underlying the powdery rubber-containing layer, the powdery rubber-containing layer being a compression molded layer composed of a mixture comprising elastic chips having the particle size of 0.5 to 10 mm and a resin binder, the vulcanized rubber layer being a vulcanized molding of an unvulcanized rubber layer, wherein the elastic chips are fixedly bonded to one another with the resin binder and the powdery rubber-containing layer is adhered to the vulcanized rubber layer when the mixture layer and the unvulcanized rubber layer are subjected to pressurization and vulcanization.
    Type: Grant
    Filed: May 12, 2000
    Date of Patent: August 5, 2003
    Assignee: Hayakawa Rubber Company Limited
    Inventors: Hirofumi Kakimoto, Masanori Igaki
  • Publication number: 20020015840
    Abstract: An elastic block, which is adapted to be paved on an underlying base for absorbing impacts, includes a laminate composed of a powdery rubber-containing layer and a vulcanized rubber layer underlying the powdery rubber-containing layer, the powdery rubber-containing layer being a compression molded layer composed of a mixture comprising elastic chips having the particle size of 0.5 to 10 mm and a resin binder, the vulcanized rubber layer being a vulcanized molding of an unvulcanized rubber layer, wherein the elastic chips are fixedly bonded to one another with the resin binder and the powdery rubber-containing layer is adhered to the vulcanized rubber layer when the mixture layer and the unvulcanized rubber layer are subjected to pressurization and vulcanization.
    Type: Application
    Filed: May 12, 2000
    Publication date: February 7, 2002
    Inventors: HIROFUMI KAKIMOTO, MASANORI IGAKI
  • Patent number: 4792318
    Abstract: A device for warm press forming a plate-like member into a shadow mask for a color cathode ray tube comprises a mold for applying pressure to the plate-like member, including a heated inner section and an outer section, and insulation means between the inner and outer sections for reducing heat transmission from the inner section to the outer section for increasing the thermal efficiency of the device.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: December 20, 1988
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masanori Igaki, Sigeo Yoneyama, Yoshimichi Hori, Takayuki Satoh