Patents by Inventor Mamoru Izumisawa

Mamoru Izumisawa 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).

  • Patent number: 4735568
    Abstract: A wick for use in a burning appliance consisting of (A) a fuel absorbing section composed of a plurality of short fiber web layers forming its outermost layers and one or a plurality of long fiber layers of numerous long fibers aligned substantially in one direction and (B) a heat-resistant burning section adjacent to the fuel absorbing section. The long fiber layers and the short fiber web layers are physically united into an inseparable integral structure by, for example, needle-punching or stitch-bonding. The wick has a high rate of fuel absorption and permits burning of a fuel at a high caloric output.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: April 5, 1988
    Assignees: Silver Industrial Co., Ltd., Teijin Shoji Kaisha, Ltd.
    Inventors: Mamoru Izumisawa, Yoshiomi Sasaki, Atsuo Hashizume, Hideichi Hiramatsu