Patents by Inventor Tatsurou Ohtani

Tatsurou Ohtani 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).

  • Decorative sheet having three-dimensional effect
    Patent number: 6329040
    Abstract: A decorative sheet of the invention includes designed portions formed by printing or with irregularities respectively on front and back surfaces of a translucent sheet material, so that a pattern having a three-dimensional effect can be formed on the sheet.
    Type: Grant
    Filed: November 9, 1998
    Date of Patent: December 11, 2001
    Assignee: Meiwa Gravure Co., Ltd.
    Inventors: Masahiro Oshima, Katsumi Shimizu, Tatsurou Ohtani
  • Decorative sheet with changeable color or density
    Patent number: 6103345
    Abstract: A decorative sheet formed by a transparent sheet body having a certain thickness and having front and rear surfaces, the transparent sheet being simply provided on its front surface and rear surfaces with parallel striped patterns with predetermined pitches, to thereby produce a decorative sheet excellent in decorativeness with color tone or colors changeable with the angle of observation.
    Type: Grant
    Filed: January 13, 1998
    Date of Patent: August 15, 2000
    Assignee: Meiwa Gravure Co., Ltd.
    Inventors: Masahiro Oshima, Katsumi Shimizu, Tatsurou Ohtani