Patents by Inventor Teppi Yamada-Scriba

Teppi Yamada-Scriba 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).

  • Speaker structure
    Patent number: 5194701
    Abstract: Disclosed is an improved speaker structure having a rigid unit-support member and a sound-intercepting wall. In order to improve the quality of reproduced sound, the sound-intercepting wall is composed of a layer of sound-absorbent material which is applied at least to outer surface of said unit-support member and a soundproof sheet of an acoustic energy-absorbent material which covers up tightly the layer of sound-absorbent material.
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: March 16, 1993
    Assignee: N.P.L. Ltd.
    Inventor: Teppi Yamada-Scriba