Patents by Inventor Kaoru Takiuchi

Kaoru Takiuchi 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).

  • Apparatus for producing single crystal
    Patent number: 5551978
    Abstract: An apparatus for producing a single crystal comprising a heater which is arranged on the outer periphery of a crucible and movable along the axis of growth of a single crystal. The heater is moved along the direction of growth of the single crystal in accordance with the surface position of the molten liquid layer in the crucible. The apparatus for producing a single crystal further comprising means for adjusting the speed at which the seed crystal is pulled. For example, the pulling speed of the seed crystal is adjusted in accordance with the position of the heater.
    Type: Grant
    Filed: April 14, 1995
    Date of Patent: September 3, 1996
    Assignee: Sumitomo Sitix Corporation
    Inventors: Yoshihiro Akashi, Kaoru Takiuchi, Setsuo Okamoto
  • Method of producing single crystal
    Patent number: 5435263
    Abstract: An apparatus for producing a single crystal comprising a heater which is arranged on the outer periphery of a crucible and movable along the axis of growth of a single crystal. The heater is moved along the direction of growth of the single crystal in accordance with the surface position of the molten liquid layer in the crucible. The apparatus for producing a single crystal further comprising means for adjusting the speed at which the seed crystal is pulled. For example, the pulling speed of the seed crystal is adjusted in accordance with the position of the heater.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: July 25, 1995
    Assignee: Sumitomo Sitix Corporation
    Inventors: Yoshihiro Akashi, Kaoru Takiuchi, Setsuo Okamoto