Patents by Inventor Tsuyoshi Nakamo

Tsuyoshi Nakamo 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).

  • Heat resistant and flame resistant papers
    Patent number: 4067769
    Abstract: Heat resistant and flame resistant papers composed of at least 60% by weight of phenolic fibers having a hardened degree of 3-30% by weight, which are obtained by melt spinning a phenolic resin and cross-linking the resulting filaments with an aldehyde.
    Type: Grant
    Filed: August 8, 1975
    Date of Patent: January 10, 1978
    Assignee: Kanebo, Ltd.
    Inventors: Koichiro Ohtomo, Tsuyoshi Nakamo