Patents by Inventor Yoshio Wakuta

Yoshio Wakuta 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).

  • Protective goods
    Patent number: 5935882
    Abstract: The present invention provides protective goods, for example arctic clothing which allows long-time working even under the low temperature environment; said protective goods being characterized by excellent workability, heat-insulation and anti-static feature, without being hardened and embrittled, especially at the temperature of -10 degrees Celsius or below, further, under the environment of very low temperature such levels as -30 degrees Celsius or -60 degrees Celsius, furthermore even under the environment of extremely-low temperature on the level of -100 to -250 degrees Celsius.
    Type: Grant
    Filed: June 4, 1998
    Date of Patent: August 10, 1999
    Assignee: Teijin Limited
    Inventors: Masakazu Fujita, Yoshio Wakuta, Shiro Kumakawa