Patents by Inventor Kenichi Kamemaru

Kenichi Kamemaru 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).

  • Moisture-permeable waterproof laminated fabric and process for producing the same
    Patent number: 4636424
    Abstract: A moisture-permeable waterproof laminated fabric comprising a water-repellant base fabric and at least one porous film provided on one surface of the base fabric. The porous film is formed of a synthetic polymer composed chiefly of a polyamino acid urethane resin and has numerous fine pores provided by microcells which are continuous in the direction of its thickness. The laminated fabric has satisfactory waterproofness and moisture permeability as required for munition, survival and sport uses.
    Type: Grant
    Filed: January 7, 1985
    Date of Patent: January 13, 1987
    Assignee: Unitika Ltd.
    Inventors: Kunio Amemiya, Mikihiko Tanaka, Kenichi Kamemaru, Kiyoshi Nakagawa