Patents by Inventor Yusaburo Nakazato

Yusaburo Nakazato 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).

  • Method for discriminating between used and unused gas generators for air bags during car scrapping process
    Patent number: 6012659
    Abstract: To provide a method for easily discriminating used and unused gas generators from among gas generators for air bags separated from used cars in a car scrapping process. A method for discriminating between used and unused gas generators according to the present invention is a method for discriminating used and unused gas generators from among gas generators for air bags separated from used cars in a car scrapping process, and this method comprises the steps of:a) crushing used cars mounted with gas generators each having on a surface thereof a material discoloring according to the surface temperatures in actuating the gas generator to separate the gas generators, andb) discriminating the gas generators in which surfaces are discolored and the gas generators in which surfaces are not discolored from among the separated gas generators.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: January 11, 2000
    Assignees: Daicel Chemical Industries, Ltd., Toyota Jidosha KabushikiKaisha
    Inventors: Yuji Nakazawa, Mitsuhiko Fukabori, Yusaburo Nakazato, Osamu Fujimoto, Yutaka Kondo, Masahiro Miyaji