Patents by Inventor Mineaki Suzuki

Mineaki Suzuki 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).

  • Disc cartridge for cleaning an objective lens
    Patent number: 5128923
    Abstract: An objective lens cleaning cartridge for an optical disc drive apparatus is comprised of a cartridge body, and a cleaning member freely protruding from and retractable into the cartridge body in unison with a loading operation of the cartridge body into the disc drive apparatus, the cleaning member being slidably in contact with an objective lens of an optical pickup device provided within the disc drive apparatus.
    Type: Grant
    Filed: January 16, 1991
    Date of Patent: July 7, 1992
    Assignee: Sony Corporation
    Inventors: Hiroyuki Hasegawa, Takashi Naito, Mineaki Suzuki, Hironari Hoshino