Patents by Inventor Masahiko Kawauchi

Masahiko Kawauchi 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: 5669722
    Abstract: A bifurcated computer keyboard including separated keyboard segments adjustably mounted on supports. The supports include an upper wall which is inclined relative to a supporting surface. The keyboard segments include beveled protrusions which are rotatably mounted on the upper wall of the supports. The keyboard segments are adjusted to a desired tilt (side to side) angle by rotating the supports relative to the keyboard segments. A retaining member is provided to maintain the keyboard segments at a predetermined spacing.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: September 23, 1997
    Assignee: Alps Electric (U.S.A.), Inc.
    Inventors: Thomas Overthun, Shigetoshi Amano, Masahiko Kawauchi, J. Scott Petermann
  • Patent number: 4501938
    Abstract: A keyboard switch includes a lower-electrode insulating sheet provided with an electrode pattern formed by arranging lower electrodes at given distances, each of the lower electrodes being composed of a pair of electrodes having interfitted teeth; and an upper-electrode insulating sheet provided with an electrode pattern formed by arranging a plurality of lines of rectangular upper electrodes so that each of the rectangular upper electrodes crosses the corresponding pair of teeth of the electrodes of the lower electrodes at right angles.
    Type: Grant
    Filed: April 6, 1983
    Date of Patent: February 26, 1985
    Assignee: Alps Electric Co., Ltd.
    Inventor: Masahiko Kawauchi
  • Patent number: D366037
    Type: Grant
    Filed: August 26, 1994
    Date of Patent: January 9, 1996
    Assignee: Alps Electric (USA) Inc.
    Inventors: Masahiko Kawauchi, J. Scott Petermann, Tark Abed, Jay Wilson
  • Patent number: D372906
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: August 20, 1996
    Assignee: Alps Electric (USA) Inc.
    Inventors: Masahiko Kawauchi, J. Scott Petermann, Tark Abed, Jay Wilson
  • Patent number: D379179
    Type: Grant
    Filed: August 7, 1995
    Date of Patent: May 13, 1997
    Assignee: Alps Electric (USA) Inc.
    Inventors: Masahiko Kawauchi, J. Scott Petermann, Shigetoshi Amano, Thomas Overthun
  • Patent number: D386172
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: November 11, 1997
    Assignee: Alps Electric (U.S.A.), Inc.
    Inventors: Masahiko Kawauchi, Shigetoshi Amano, J. Scott Petermann, Thomas Overthun
  • Patent number: D386544
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: November 18, 1997
    Assignee: Alps Electric (U.S.A.), Inc.
    Inventors: Jonathan Ken Kajikawa, Masahiko Kawauchi, Scott Alan Henderson
  • Patent number: D388065
    Type: Grant
    Filed: August 2, 1996
    Date of Patent: December 23, 1997
    Assignee: Alps Electric (USA), Inc.
    Inventors: Masahiko Kawauchi, Tadamitsu Sato, J. Scott Petermann, Tark Abed
  • Patent number: D389822
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: January 27, 1998
    Assignee: Alps Electric (USA), Inc.
    Inventors: Masahiko Kawauchi, Shigetoshi Amano, J. Scott Petermann, Thomas Overthun