Patents Assigned to Kishimoto Sangyo Company Ltd.
  • Glass fiber reinforced polyamide composition and the process for manufacturing the same
    Patent number: 5250604
    Abstract: Polyamide composition having a high strength, high-rigidity and high impact characteristics with a smooth surface and improved in the decrease of physical properties by water absorption are made by compounding 100-250 parts by weight of glass fiber and 100 parts of weight of a mixture of 95-60 parts by weight of crystalline aliphatic polyamide, 0.2-10 parts by weight of crystalline copolyamide and 5-40 parts by weight of amorphous polyamide.
    Type: Grant
    Filed: April 9, 1992
    Date of Patent: October 5, 1993
    Assignee: Kishimoto Sangyo Company Ltd.
    Inventors: Takeshi Moriwaki, Kenji Tsutsui
  • Plastic composite and the process for manufactring the same
    Patent number: 4831074
    Abstract: The present invention is directed to a high specific gravity composite giving high-strength, rustproofing, and aesthetic products. The plastic composite is composed of 50-95 weight percent of glassy powder comprising 80 weight percent or more of lead monoxide (PbO) having particle size under 150 mesh, with balanced amount of resin and reinforcement.
    Type: Grant
    Filed: April 15, 1988
    Date of Patent: May 16, 1989
    Assignee: Kishimoto Sangyo Company Ltd.
    Inventors: Takeshi Moriwaki, Kenji Tsutsui