Patents by Inventor Fumiteru Shingu

Fumiteru Shingu 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).

  • Damper for loudspeaker and method for manufacturing same
    Patent number: 6940991
    Abstract: A damper for loudspeaker is constituted by mounting tubular knitted tinsel cords through an adhesive agent of acrylic emulsions having a tackiness onto one surface of a corrugated damper body. The damper is thereby rendered easily manufacturable and highly flexible enough for restraining any breaking of the tinsel cords and improving the reliability.
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: September 6, 2005
    Assignee: Foster Electric Co.
    Inventor: Fumiteru Shingu
  • Damper for loudspeaker and method for manufacturing same
    Publication number: 20020094106
    Abstract: A damper for loudspeaker is constituted by mounting tubular knitted tinsel cords through an adhesive agent of acrylic emulsions having a tackiness onto one surface of a corrugated damper body. The damper is thereby rendered easily manufacturable and highly flexible enough for restraining any breaking of the tinsel cords and improving the reliability.
    Type: Application
    Filed: January 10, 2002
    Publication date: July 18, 2002
    Inventor: Fumiteru Shingu
  • Loudspeaker diaphragm
    Patent number: 5796054
    Abstract: A loudspeaker diaphragm is provided as an injection molded material including 50 to 80 weight % of a matrix resin of polyolefins and 20 to 50 weight % of flaky mica having an average aspect ratio of more than 10 and including at least 3 weight % or more of pearl mica. The matrix resin of polyolefins includes respective flakes of the flaky mica orientated in parallel to thereby improve the acoustic characteristics and concurrently the design appearance of the diaphragm. The design appearance of the diaphragm can have bright colors and a pearly luster.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: August 18, 1998
    Assignees: Foster Electric Co., Ltd., Nihon Koken Kogyo Co., Shiseido Co., Ltd.
    Inventors: Fumiteru Shingu, Kiyotaka Miyashita, Kouichi Ogawa, Akira Kose, Asa Kimura