Patents by Inventor Yutaka Aratani

Yutaka Aratani 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: 4442254
    Abstract: A polyamide resin composition comprising 20 to 90% by weight of a polyamide resin formed by the reaction of a xylylenediamine and an aliphatic straight-chain dicarboxylic acid having 6 to 12 carbon atoms, 5 to 60% by weight of carbon fiber, and 5 to 60% by weight of potassium titanate fiber.
    Type: Grant
    Filed: April 29, 1983
    Date of Patent: April 10, 1984
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Yutaka Aratani