Patents by Inventor Yasushi Tamai

Yasushi Tamai 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).

  • Lateral pulling growth of crystal ribbons and apparatus therefor
    Patent number: 4264407
    Abstract: The lateral pulling growth of a thin and wide crystal ribbon is established by laterally pulling the crystal ribbon from the melt of a crystalline substance having the same crystal structure as that of the crystal ribbon with a gaseous cooling medium blown over the surfaces of the melt and the grown crystal.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: April 28, 1981
    Assignees: Mitsubishi Kinzoku Kabushiki Kaisha, Japan Silicon Co., Ltd.
    Inventors: Taro Shudo, Bosshi Kudo, Yasushi Tamai
  • Lateral pulling growth of crystal ribbons and apparatus therefor
    Patent number: 4226834
    Abstract: The lateral pulling growth of a thin and wide crystal ribbon is established by laterally pulling the crystal ribbon from the melt of a crystalline substance having the same crystal structure as that of the crystal ribbon with a gaseous cooling medium blown over the surfaces of the melt and the grown crystal.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: October 7, 1980
    Assignees: Mitsubishi Kinzoku Kabushiki Kaisha, Japan Silicon Co., Ltd.
    Inventors: Taro Shudo, Bosshi Kudo, Yasushi Tamai