Patents by Inventor Kenji Nanbu

Kenji Nanbu 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).

  • Pickup needle cleaning device for record disc playback apparatus
    Patent number: 4166623
    Abstract: Disclosed is a pickup needle cleaning device adapted to be incorporated in a record disk playback system having a carriage adapted to move above and across the surface of a record disk and mounting a pickup needle for optional engagement with the record disk. The cleaning device includes cleaning members carried by the carriage and adapted to move relatively to the pickup needle while keeping in contact therewith. The cleaning member is put into operation upon the upward or downward movement of the pickup needle.
    Type: Grant
    Filed: January 17, 1978
    Date of Patent: September 4, 1979
    Assignee: Matsushita Electric Industries Co., Ltd.
    Inventors: Kenji Nanbu, Akio Kuki