Patents by Inventor Norio Nawachi

Norio Nawachi 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: 9121090
    Abstract: In a resin molded article (M), a wear-resistant surface layer (2) is provided on a surface of a base (1) made of a thermoplastic resin with an undercoat layer (3) being interposed therebetween, and the surface layer (2) has a composition containing silicon, oxygen, carbon, and hydrogen, a thickness of 0.02 ?m or greater and 0.48 ?m or less, and a density of greater than 1.5 g/cm3 or a hardness of 1.5 GPa or greater.
    Type: Grant
    Filed: February 19, 2009
    Date of Patent: September 1, 2015
    Assignees: DAIKYO NISHIKAWA CORPORATION, HIROSHIMA PREFECTURE
    Inventors: Takeharu Suga, Masaharu Okamura, Hiroshi Ahagon, Hiroharu Kojima, Norio Nawachi, Akira Yamamoto
  • Publication number: 20100327629
    Abstract: In a resin molded article (M), a wear-resistant surface layer (2) is provided on a surface of a base (1) made of a thermoplastic resin with an undercoat layer (3) being interposed therebetween, and the surface layer (2) has a composition containing silicon, oxygen, carbon, and hydrogen, a thickness of 0.02 ?m or greater and 0.48 ?m or less, and a density of greater than 1.5 g/cm3 or a hardness of 1.5 GPa or greater.
    Type: Application
    Filed: February 19, 2009
    Publication date: December 30, 2010
    Applicants: DAIKYONISHIKAWA CORPORATION, HIROSHIMA PREFECTURE
    Inventors: Takeharu Suga, Masaharu Okamura, Hiroshi Ahagon, Hiroharu Kojima, Norio Nawachi, Akira Yamamoto