Patents by Inventor Masaya TONARI

Masaya TONARI 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).

  • Polyamide resin composition
    Patent number: 10995199
    Abstract: The present invention provides a polyamide resin composition capable of simultaneously satisfying, with regard to a molded body, suppression of dimensional change upon water absorption, excellent abrasion resistance after water absorption, excellent impact strength, and high surface strength. The present invention relates to a resin composition comprising a glass fiber having a non-circular cross section, and a polyamide resin having a structural unit having more than 6 carbon atoms per 1 amide group, wherein a number average molecular weight of the polyamide resin is 20000 to 40000, and a content of the glass fiber is 15 mass % to 60 mass %.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: May 4, 2021
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Masaya Tonari, Seiichi Arakawa, Akio Miyamoto
  • Polyamide composition and molded article produced from the composition
    Patent number: 10465060
    Abstract: Provided is a polyamide resin composition comprising a polyamide resin, a PAN carbon fiber, carbon black, and a black dye, wherein the polyamide resin composition contains the PAN carbon fiber in an amount of 7.5 to 25% by weight, based on the weight of the composition, contains the carbon black in an amount of 0.01 to 0.55% by weight, based on the weight of the composition, and contains the black dye in an amount of 0.01 to 1.0% by weight, based on the weight of the composition.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: November 5, 2019
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Akio Miyamoto, Yasuharu Fukui, Hiroki Akatsu, Masaya Tonari
  • POLYAMIDE RESIN COMPOSITION
    Publication number: 20180273728
    Abstract: The present invention provides a polyamide resin composition capable of simultaneously satisfying, with regard to a molded body, suppression of dimensional change upon water absorption, excellent abrasion resistance after water absorption, excellent impact strength, and high surface strength. The present invention relates to a resin composition comprising a glass fiber having a non-circular cross section, and a polyamide resin having a structural unit having more than 6 carbon atoms per 1 amide group, wherein a number average molecular weight of the polyamide resin is 20000 to 40000, and a content of the glass fiber is 15 mass % to 60 mass %.
    Type: Application
    Filed: October 3, 2016
    Publication date: September 27, 2018
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Masaya TONARI, Seiichi ARAKAWA, Akio MIYAMOTO
  • POLYAMIDE COMPOSITION AND MOLDED ARTICLE PRODUCED FROM THE COMPOSITION
    Publication number: 20170306126
    Abstract: Provided is a polyamide resin composition comprising a polyamide resin, a PAN carbon fiber, carbon black, and a black dye, wherein the polyamide resin composition contains the PAN carbon fiber in an amount of 7.5 to 25% by weight, based on the weight of the composition, contains the carbon black in an amount of 0.01 to 0.55% by weight, based on the weight of the composition, and contains the black dye in an amount of 0.01 to 1.0% by weight, based on the weight of the composition.
    Type: Application
    Filed: October 27, 2015
    Publication date: October 26, 2017
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Akio MIYAMOTO, Yasuharu FUKUI, Hiroki AKATSU, Masaya TONARI