Patents by Inventor Atsushi Sawada

Atsushi Sawada 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).

  • Patent number: 6012192
    Abstract: A substrate processing apparatus which includes a substrate retention mechanism having retention rollers, including a plurality of driving rollers, for holding a substrate by abutting the retention rollers against different peripheral edge portions of the substrate, and a rotative driving mechanism for rotating the plurality of driving rollers. The plurality of driving rollers preferably include a pair of driving rollers generally opposed to each other diametrically of the substrate to be held. Further, the retention rollers preferably all serve as the driving rollers.
    Type: Grant
    Filed: April 14, 1998
    Date of Patent: January 11, 2000
    Assignee: Dainippon Screen Mfg. Co., Ltd.
    Inventors: Atsushi Sawada, Yasuhiko Okuda, Shouji Komatsubara
  • Patent number: 5543077
    Abstract: The invention relates to a nematic liquid-crystal composition especially for active matrix displays with high voltage holding ratio, good low temperature stability and without reversed domains.
    Type: Grant
    Filed: January 6, 1995
    Date of Patent: August 6, 1996
    Assignee: Merck Patent Gesellschaft mit Beschrankter Haftung
    Inventors: Bernhard Rieger, Hiroki Yoshitake, Atsushi Sawada, Herbert Plach, Georg Weber
  • Patent number: 5409637
    Abstract: The invention relates to a nematic liquid-crystal composition especially for active matrix displays with high voltage holding ratio, good low temperature stability and without reversed domains.
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: April 25, 1995
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Bernhard Rieger, Hiroki Yoshitake, Atsushi Sawada, Herbert Plach, Georg Weber
  • Patent number: D272120
    Type: Grant
    Filed: June 1, 1981
    Date of Patent: January 10, 1984
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Atsushi Sawada, Shinichi Nagayama
  • Patent number: D343403
    Type: Grant
    Filed: June 16, 1992
    Date of Patent: January 18, 1994
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroshi Takano, Atsushi Sawada
  • Patent number: D378523
    Type: Grant
    Filed: May 10, 1996
    Date of Patent: March 18, 1997
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Atsushi Sawada, Mitsuru Takami, Emiko Maekawa
  • Patent number: D379090
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: May 6, 1997
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Emiko Maekawa, Kuniyuki Kawamoto, Atsushi Sawada
  • Patent number: D391950
    Type: Grant
    Filed: June 18, 1996
    Date of Patent: March 10, 1998
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Mitsuru Takami, Emiko Maekawa, Atsushi Sawada