Patents by Inventor Hideo Ishizawa

Hideo Ishizawa 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).

  • Method of manufacturing a decorative panel
    Patent number: 4226933
    Abstract: A method of manufacturing a decorative panel having an embossed surface and different degrees of glass corresponding to a pattern, thereby producing a stereoscopic aspect, i.e., the impression of relief and solidity.
    Type: Grant
    Filed: November 28, 1978
    Date of Patent: October 7, 1980
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Hideo Ishizawa, Akira Niwayama, Mitsuru Shimizu, Takashi Kagami
  • Method for manufacture of expanded articles having an embossed surface
    Patent number: 4113487
    Abstract: A method for the manufacture of an expanded article having an embossed surface comprises exposing the surface of a layer of photo-setting and expandable resin composition to partially screened light to cure only that portion of the layer of resin composition which has been exposed to the light, and then heating to expand the layer of resin composition, whereby indentations are formed in the surface.
    Type: Grant
    Filed: October 26, 1976
    Date of Patent: September 12, 1978
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Kazuo Matsunaga, Hideo Ishizawa, Kenichi Kurata