Patents by Inventor Hatiro Uekawa

Hatiro Uekawa 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: 5429857
    Abstract: A decorative sheet comprises a transparent or translucent base sheet having a rear surface on which protrusion and recess patterns are formed and a bright set-solid print layer or bright pattern print layer formed on a side of the protrusion and recess patterns of the base sheet. Each of the protrusion and recess patterns is composed of parallel lines, continuous curved lines or a combination of the parallel lines and the curved lines each composed of protruded and recessed portions each in form of a groove having a width of 1 to 100 .mu.m. The base sheet has a front surface on which a transparent resin layer may be formed. The transparent resin layer is formed of a hardenable resin. The decorative sheet also comprises the base sheet having a rear surface on which protrusion and recess patterns are formed, grain patterns formed on a side of the protrusion and recess patterns of the base sheet, and a bright set-solid print layer formed on a rear side of the grain patterns.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: July 4, 1995
    Assignee: Dai Nippon Insatsu Kabushiki Kaisha
    Inventors: Hiroyuki Amemiya, Hatiro Uekawa, Taizi Ishii
  • Patent number: 5270097
    Abstract: A decorative sheet comprises a transparent or translucent base sheet having a rear surface on which protrusion and recess patterns are formed and a bright set-solid print layer or bright pattern print layer formed on a side of the protrusion and recess patterns of the base sheet. Each of the protrusion and recess patterns is composed of parallel lines, continuous curved lines or a combination of the parallel lines and the curved lines each composed of protruded and recessed portions each in form of a groove having a width of 1 to 100 .mu.m. The base sheet has a front surface on which a transparent resin layer may be formed. The transparent resin layer is formed of a hardenable resin.
    Type: Grant
    Filed: March 9, 1990
    Date of Patent: December 14, 1993
    Assignee: Dai Nippon Insatsu Kabushiki Kaisha
    Inventors: Hiroyuki Amemiya, Hatiro Uekawa, Taizi Ishii