Patents by Inventor Michio Yanaba

Michio Yanaba 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).

  • Methods for crucible attachment to support base of single crystal pulling apparatus and support base assembly apparatus and support base employed therein
    Patent number: 5897706
    Abstract: An improvement in the safety, ease and speed with which the operation of attaching a crucible 1 to a support base 10 of a single crystal pulling apparatus can be completed is provided. With the method of attaching the crucible 1 to the support base 10, the support base 10 is divided into a support base bottom portion 11 and a support base drum portion 12 which is fitted to the bottom portion 11, and the crucible 1 is mounted on the support base bottom portion 11. The support base 10 is then assembled by fitting the support base drum portion 12 to the support base bottom portion 11.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: April 27, 1999
    Assignees: Mitsubishi Materials Silicon Corporation, Mitsubishi Materials Corporation
    Inventors: Masakazu Yamazaki, Michio Yanaba, Hiroaki Taguchi, Takashi Atami, Hisashi Furuya
  • Hoist apparatus for annular member
    Patent number: 5797638
    Abstract: An annular member hoist apparatus which lifts an annular member and carries and positions the annular member at a predetermined location by a carrier apparatus fitted with an elevator mechanism, including a suspension member suspended from the elevator mechanism, and a plurality of support arms which extend out radially in a horizontal plane from the suspension member. Each of the support arms has an engagement tip portion for supporting the annular member from inside the annular member.
    Type: Grant
    Filed: March 24, 1997
    Date of Patent: August 25, 1998
    Assignees: Mitsubishi Materials Silicon, Mitsubishi Materials Corporation
    Inventors: Masakazu Yamazaki, Michio Yanaba, Hiroaki Taguchi, Takashi Atami, Hisashi Furuya