Patents by Inventor Masakatu Yotukura

Masakatu Yotukura 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).

  • Folding box
    Patent number: 5474230
    Abstract: A folding box includes a pair of opposed first side walls each foldable along a vertical direction, a pair of opposed second side walls, and a pair of bottom plates. Each bottom plates includes a central trapezoidal portion and a pair of triangular portions hingedly connected respectively to opposite sides of the trapezoidal portion. With this construction, the box made, for example, of a corrugated board can be folded into a compact size, so that the area of the folded box is small.
    Type: Grant
    Filed: October 14, 1993
    Date of Patent: December 12, 1995
    Assignees: Hitachi Kasei Shoji Co., Ltd., Masakatu Yotukura
    Inventor: Masakatu Yotukura
  • Portable credit card reader
    Patent number: D397682
    Type: Grant
    Filed: August 14, 1996
    Date of Patent: September 1, 1998
    Assignee: Kanda Tsushin Kogyo Co., Ltd.
    Inventor: Masakatu Yotukura
  • Terminal unit for the control of sales data
    Patent number: D400189
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: October 27, 1998
    Assignee: Kanda Tsushin Kogyo Co., Ltd.
    Inventor: Masakatu Yotukura