Patents by Inventor Takeo Yokota

Takeo Yokota 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).

  • Non-inflammable fiber materials and process for producing the same
    Patent number: 4723959
    Abstract: A non-inflammable fiber material and a process for producing the same are disclosed, said process comprising the steps of:obtaining thready materials, knitted goods, or woven goods, which are composed of a mixed yarn consisting of polymetaphenylene isophthalamide fibers of thermal decomposition temperature not smaller than 350.degree. C. and rayon fibers, or which are composed of 100 weight parts of a mixed yarn consisting of polymetaphenylene isophthalamide fibers of thermal decomposition temperature not smaller than 350.degree. C. and rayon fibers, and from 20 to 100 weight parts of a polymetaphenylene isophthalamide fiber yarn of thermal decomposition temperature not smaller than 350.degree. C.
    Type: Grant
    Filed: November 6, 1985
    Date of Patent: February 9, 1988
    Assignee: Nitto Boseki Co., Ltd.
    Inventors: Kazuo Miyamichi, Takeo Yokota, Kazumaro Hanaki