Patents by Inventor Hirokazu Kabayashi

Hirokazu Kabayashi 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: 7777969
    Abstract: A camera module in which a lens holder holding one or more optical lenses is movable in the direction of the optical axis and in which an auto-focus function and a zoom function are incorporated is reduced in size and weight. A bearing section is formed in the lens holder, and a drive shaft is inserted in the bearing section. An operation part of a piezo element is made to be in contact with the drive shaft. The surface of that first part of the drive shaft which is in contact with the operation part and the surface of that second part which slides on the bearing section are differently processed.
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: August 17, 2010
    Assignee: Kyocera Corporation
    Inventors: Masahiro Shirono, Hirokazu Kabayashi