Patents by Inventor Nobusue Nogami

Nobusue Nogami 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).

  • Dust-controlling mat having good flame-proofness
    Patent number: 4267220
    Abstract: Disclosed is a dust-controlling mat comprising tufted pile yarns containing fibers composed of a grafting product or polymer blend of polyvinyl alcohol and polyvinyl chloride and a dust adsorbing agent retained in the tufted pile yarns in an amount of 1 to 40% by weight based on the tufted piled yarns. This dust-controlling mat has an excellent dust-controlling property and a highly improved flame-proofing property in combination.
    Type: Grant
    Filed: January 8, 1980
    Date of Patent: May 12, 1981
    Assignee: Duskin Franchise Co., Ltd.
    Inventors: Akira Yagi, Ichiro Miyoshi, Nobusue Nogami