Patents Assigned to Tokuda Seisakusho Co., Ltd.
  • Patent number: 5336385
    Abstract: An improved sputtering apparatus is provided which can judge whether or not a normal thin film has been satisfactorily deposited on the surface of a substrate to be processed in a film deposition apparatus. The judgment is made immediately after the sputtering process on the basis of the detection results of the pressure in a vacuum chamber and the waveform of discharge output power supplied from a discharge power source.
    Type: Grant
    Filed: January 8, 1993
    Date of Patent: August 9, 1994
    Assignees: Tokuda Seisakusho Co, Ltd., Sony Corporation
    Inventors: Yuichiro Shimose, Jiro Ikeda
  • Patent number: 5126817
    Abstract: A dielectrically isolated structure for use in an SOI-type semiconductor device according to the present invention comprises a substrate having an element-forming region formed therein on a first insulating film, the region being made of a first material, at least one trench formed in the element-forming region and extending to the first insulating film, second insulating films formed on side walls of the trench, and a film made of a second material, and embedded in only an upper portion of the trench such that a bottom portion of the trench is hollow.
    Type: Grant
    Filed: October 12, 1990
    Date of Patent: June 30, 1992
    Assignees: Kabushiki Kaisha Toshiba, Tokuda Seisakusho Co., Ltd.
    Inventors: Yoshiro Baba, Yutaka Koshino, Akihiko Osawa, Kenji Yamawaki
  • Patent number: 4809596
    Abstract: An apparatus for swelling and drying foods under reduced pressure in which the apparatus comprises a reduced pressure treating chamber connected to a vacuum pump directly or through a reservoir tank, a drying chamber having a pressure reducing means, a heating means and a conveying means, and an outlet chamber having a pressure reducing means and in which said reduced pressure treating chamber, said drying chamber and said outlet chamber are continuously arranged in this order.
    Type: Grant
    Filed: July 15, 1987
    Date of Patent: March 7, 1989
    Assignees: House Food Industrial Company Limited, Tokuda Seisakusho Co., Ltd.
    Inventors: Shigeru Akutsu, Yasushi Matsumura, Ryuichi Hattori