Patents by Inventor Miyoshi Yamamoto

Miyoshi Yamamoto 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: 4001174
    Abstract: The present invention relates to providing incombustible polyolefin molding compositions having good properties such as electric insulating property, flexibility, heat resisting property, antismoking property and mechanical property. The said superior properties are brought about by adding zirconium oxide to the polyolefin composition.In particular, the superior antismoking property is brought about by the synergistic effect of adding zirconium oxide and aluminum oxide or hydroxide to the polyolefin composition. The polyolefin molding composition of the present invention is suitable for the coating composition of electric wire.
    Type: Grant
    Filed: October 10, 1975
    Date of Patent: January 4, 1977
    Assignee: Yazaki Sogyo Kabushiki Kaisha
    Inventors: Kiyoshi Yagi, Miyoshi Yamamoto