Patents by Inventor Kenzo Ogihara

Kenzo Ogihara 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).

  • Attachment for loudspeaker
    Patent number: 4072829
    Abstract: An attachment for a loudspeaker comprises an annular resilient frame which is formed in its inner peripheral surface with a groove which is adapted to receive therein an outer circumferential flange of the loudspeaker surrounding the opening thereof. The attachment is provided with means for securing it to a loudspeaker mounting surface.
    Type: Grant
    Filed: August 30, 1976
    Date of Patent: February 7, 1978
    Assignee: Olympus Optical Co., Ltd.
    Inventor: Kenzo Ogihara