Patents by Inventor Masahiro Oshima

Masahiro Oshima 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).

  • Fused decorative sheet
    Patent number: 6150007
    Abstract: A multicolor fused decorative sheet in which a colored first synthetic resin layer with translucence and a colored second synthetic resin layer with translucence are laminated, the first synthetic resin layer and the second synthetic resin layer differ in colors, and concavity and convexity are formed to form the specified patterns, and its manufacturing method and manufacturing apparatus.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: November 21, 2000
    Assignee: Meiwa Gravure Co., Ltd.
    Inventors: Masahiro Oshima, Hiroshi Sasaki
  • Inlaid decorative sheet, its manufacturing method and manufacturing apparatus
    Patent number: 6132848
    Abstract: There is provided an inlaid decorative sheet in which a colorless or colored light transmissible first uneven pattern is formed, and a second uneven pattern is formed by inlaying on one side. Accordingly, even the portion in which the first pattern and the second pattern are overlapped, the two patterns look stereographic to show excellent design and decorative features.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: October 17, 2000
    Assignee: Meiwa Gravure Co., Ltd.
    Inventors: Masahiro Oshima, Iwao Hasegawa, Yasuo Kita, Hiroshi Sasaki
  • 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
  • Cavity included decorative sheet, its manufacturing method and manufacturing apparatus
    Patent number: 5968632
    Abstract: There is provided a cavity included decorative sheet having tremendously excellent design and decorative features by the cavities formed in the plane region in which colorless or colored light transmissible uneven pattern formed as the light refracts and reflects in complicated manner, by which the cavities appear to be brilliant water bubbles.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: October 19, 1999
    Assignee: Meiwa Gravure Co., Ltd.
    Inventors: Masahiro Oshima, Hiroshi Sasaki
  • Decorative sheet with changeable color or density
    Patent number: 5866233
    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: June 7, 1996
    Date of Patent: February 2, 1999
    Assignee: Meiwa Gravure Co., Ltd.
    Inventors: Masahiro Oshima, Katumi Shimizu, Taturo Otani
  • Decorative sheet
    Patent number: 5723200
    Abstract: In a decorative sheet formed by a transparent sheet body having front and rear surfaces, a plurality of convex lens-shaped projections are provided on the front surface in an arbitrary continuous pattern, while figures are printed on the rear surface in the same pattern as that on the front surface, in displacement from the continuous pattern of the front surface, whereby a sheet of excellent decorativeness of which pattern is changeable with the direction of observation is provided in a simple structure at a low cost.
    Type: Grant
    Filed: July 18, 1996
    Date of Patent: March 3, 1998
    Assignee: Meiwa Gravure Co., Ltd.
    Inventors: Masahiro Oshima, Katumi Shimizu, Taturo Otani
  • Bright printed sheet
    Patent number: 5624732
    Abstract: The transparent plastic sheet is provided with the linearly extending convex lenses formed repeatedly, continuously and integrally therewith, on the surface side thereof, and the transparent printed layer formed on the back side thereof, to give the brightness with variously changing the sheet in color in dependence upon the angles of one's eyes relative to the plastic sheet, whereby improving the designing external appearance.
    Type: Grant
    Filed: November 22, 1994
    Date of Patent: April 29, 1997
    Assignee: Meiwa Gravure Co., Ltd.
    Inventors: Masahiro Oshima, Katumi Shimizu
  • Synthetic resin pattern sheet
    Patent number: 5232764
    Abstract: A synthetic resin pattern sheet having projecting patterns and provided at the patterns with concave surfaces variable in depth, and in the concave surfaces with different color layers comprising synthetic resin different in coloring from that forming the patterns and being variable in thickness.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: August 3, 1993
    Assignee: Meiwa Gravure Co., Ltd.
    Inventor: Masahiro Oshima