Patents by Inventor Masahiro Yamazoe

Masahiro Yamazoe 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).

  • Embossed sheet and a method of producing a laminate including that sheet
    Patent number: 6136414
    Abstract: An embossed sheet which is excellent in embossing properties, whitening resistance and transparency, can be prepared by using a resin composition containing specific ratios of (A) polypropylene having a specific melting point of 125.degree. C. or higher, (B) ethylene-.alpha.-olefin copolymer having specific properties and (C) random copolymer of aromatic vinyl compound and conjugated diene compound having specific properties. Further, the present invention provides the laminates which is made using the above embossed sheet and the method for producing them.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: October 24, 2000
    Assignees: Toppan Printing Co., Ltd., Nippon Petrochemicals Company, Limited
    Inventors: Tetsuo Aizawa, Masahiro Yamazoe, Ikuma Nishimura, Kazuhiko Ohta, Toshio Inoue, Tokuhito Suzuki
  • Laminate of a base material and an embossed sheet
    Patent number: 5928762
    Abstract: An embossed sheet which is excellent in embossing properties, whitening resistance and transparency, can be prepared by using a resin composition containing specific ratios of (A) polypropylene having a specific melting point of 125.degree. C. or higher, (B) ethylene-.alpha.-olefin copolymer having specific properties and (C) random copolymer of aromatic vinyl compound and conjugated diene compound having specific properties. Further, the present invention provides the laminates which is made using the above embossed sheet and the method for producing them.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: July 27, 1999
    Assignees: Toppan Printing Co., Ltd, Nippon Petrochemicals Company, Limited
    Inventors: Tetsuo Aizawa, Masahiro Yamazoe, Ikuma Nishimura, Kazuhiko Ohta, Toshio Inoue, Tokuhito Suzuki