Patents by Inventor Fumihiko Tokukra

Fumihiko Tokukra 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).

  • Polishing apparatus for polishing a work having two surfaces
    Patent number: 8221198
    Abstract: A polishing apparatus is configured to simultaneously polish both surfaces of a work, and includes a carrier having a hole configured to house the work, and a fixing member that contacts and fixes the work located in the hole.
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: July 17, 2012
    Assignee: Fujitsu Limited
    Inventors: Fumihiko Tokukra, Mitsuo Takeuchi
  • Polishing apparatus, substrate manufacturing method, and electronic apparatus manufacturing method
    Publication number: 20090075574
    Abstract: A polishing apparatus is configured to simultaneously polish both surfaces of a work, and includes a carrier having a hole configured to house the work, and a fixing member that contacts and fixes the work located in the hole.
    Type: Application
    Filed: May 29, 2008
    Publication date: March 19, 2009
    Applicant: Fujitsu Limited
    Inventors: Fumihiko Tokukra, Mitsuo Takeuchi