Patents by Inventor Kotei Iwata

Kotei Iwata 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).

  • Epitaxial growing apparatus
    Patent number: 4641603
    Abstract: An epitaxial growing apparatus comprises a base plate, a quartz bell jar mounted on the base plate, and a reaction chamber defined by the base plate and the quartz bell jar, in which an epitaxial thin film layer of a semiconductor substance is formed on the substrate mounted on a support member. A metal bell jar is disposed outside the quartz bell jar so as to surround the quartz bell jar and a plurality of engaging members are operatively connected to the metal bell jar for detachably engaging the metal bell jar with the quartz bell jar.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: February 10, 1987
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Yoshihiko Miyazaki, Taizan Goto, Yoshizo Komiyama, Kotei Iwata
  • False twisting apparatus
    Patent number: 4145871
    Abstract: False twisting apparatus including opposing rotary discs between which a yarn is clamped is provided with a device for supporting the rotary discs to be movable in the axial direction toward and away from each other and is also provided with a member for urging the rotary discs to form a small gap therebetween.
    Type: Grant
    Filed: January 18, 1978
    Date of Patent: March 27, 1979
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Kotei Iwata, Yoshiaki Tada