Patents by Inventor Hiroshi Kukutsu

Hiroshi Kukutsu 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).

  • Newton ring prevention film and touch panel
    Patent number: 6937230
    Abstract: A Newton ring prevention film comprising a transparent film in which projections are formed by surface roughening, a transparent film in which projections are formed by providing a projection coating layer, or either of these transparent films wherein a transparent electroconducting layer is further provided on the surface in which the projections are formed, and wherein the average surface roughness (RA)/inter-projection distance (SM) of the surface comprising the projection is 0.8×10?3-2.0×10?3, and the inter-projection distance (SM) is 150 ?m or less.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: August 30, 2005
    Assignee: Nippon Paper Industries Co., Ltd
    Inventors: Toshihiko Hatakeda, Hiroshi Kukutsu
  • Newton ring prevention film and touch panel
    Publication number: 20020154100
    Abstract: A Newton ring prevention film comprising a transparent film in which projections are formed by surface roughening, a transparent film in which projections are formed by providing a projection coating layer, or either of these transparent films wherein a transparent electroconducting layer is further provided on the surface in which the projections are formed, and wherein the average surface roughness (RA)/inter-projection distance (SM) of the surface comprising the projection is 0.8×10−3-2.0×10−3, and the inter-projection distance (SM) is 150 &mgr;m or less.
    Type: Application
    Filed: February 28, 2002
    Publication date: October 24, 2002
    Inventors: Toshihiko Hatakeda, Hiroshi Kukutsu