Patents by Inventor Kazuyo Kawashima

Kazuyo Kawashima 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).

  • Electronic devices with a liquid crystal display
    Patent number: 5418760
    Abstract: An electronic device including a switch member which has a multiplicity of switch contacts provided thereon, a film liquid crystal display unit disposed above the switch member and having openings provided at positions opposite to the respective switch contacts, and operation members disposed in the corresponding openings so as to depress the operation members from above the film liquid crystal display. By the depression of the respective operation members, the corresponding switch contacts are switched. According to this structure, the switching operations are performed on the film liquid crystal display unit, so that the operability of the switches is improved and the device itself is miniaturized.
    Type: Grant
    Filed: August 2, 1993
    Date of Patent: May 23, 1995
    Assignee: Casio Computer Co., Ltd.
    Inventors: Kazuyo Kawashima, Yoshimi Ishikawa
  • Watch case
    Patent number: D546714
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: July 17, 2007
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventors: Atsushi Goto, Kazuyo Kawashima, Kenji Kojima
  • Watch case
    Patent number: D546725
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: July 17, 2007
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventors: Atsushi Goto, Kazuyo Kawashima, Kenji Kojima
  • Watch case
    Patent number: D550579
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: September 11, 2007
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventors: Atsushi Goto, Kazuyo Kawashima, Kenji Kojima
  • Protector for wrist watch
    Patent number: D312980
    Type: Grant
    Filed: June 11, 1987
    Date of Patent: December 18, 1990
    Assignee: Cadio Computer Co., Ltd.
    Inventor: Kazuyo Kawashima
  • Wrist watch
    Patent number: D314518
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: February 12, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Kazuyo Kawashima
  • Digital camera
    Patent number: D599833
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: September 8, 2009
    Assignee: Tomy Company, Ltd.
    Inventors: Masahiro Dohi, Kazuyo Kawashima, Yuiko Hattori
  • Wrist watch
    Patent number: D320750
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: October 15, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Kazuyo Kawashima
  • Wrist watch
    Patent number: D323126
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: January 14, 1992
    Assignee: Casio Computer Co., Ltd.
    Inventor: Kazuyo Kawashima
  • Wrist watch
    Patent number: D323127
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: January 14, 1992
    Assignee: Casio Computer Co., Ltd.
    Inventor: Kazuyo Kawashima
  • Wrist watch
    Patent number: D323298
    Type: Grant
    Filed: July 20, 1989
    Date of Patent: January 21, 1992
    Assignee: Casio Computer Co., Ltd.
    Inventor: Kazuyo Kawashima
  • Combined wrist watch calculator, and telephone index
    Patent number: D339299
    Type: Grant
    Filed: December 23, 1991
    Date of Patent: September 14, 1993
    Assignee: Casio Computer Co., Ltd.
    Inventor: Kazuyo Kawashima
  • Wrist watch
    Patent number: D339304
    Type: Grant
    Filed: December 23, 1991
    Date of Patent: September 14, 1993
    Assignee: Casio Computer Co., Ltd.
    Inventor: Kazuyo Kawashima
  • Watch case
    Patent number: D407329
    Type: Grant
    Filed: August 11, 1998
    Date of Patent: March 30, 1999
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventors: Kazuyo Kawashima, Tatsumi Anno