Patents by Inventor Futoshi Houjo

Futoshi Houjo 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).

  • Sheet recognizing device and method
    Patent number: 7586592
    Abstract: A sheet recognizing device and method for precisely checking the authentication of a sheet by performing recognition of color and watermark of a sheet and detecting the subtle characteristic of a hue ink printed on one side of the sheet.
    Type: Grant
    Filed: November 11, 2005
    Date of Patent: September 8, 2009
    Assignee: Kabushiki Kaisha Nippon Conlux
    Inventors: Eiji Itako, Yasuyuki Kimura, Futoshi Houjo, Satoru Tsurumaki, Seiji Takamatsu
  • Sheet Recognizing Device And Method
    Publication number: 20080137072
    Abstract: A sheet recognizing device and method for precisely checking the authentication of a sheet by performing recognition of color and watermark of a sheet and detecting the subtle characteristic of a hue ink printed on one side of the sheet.
    Type: Application
    Filed: November 11, 2005
    Publication date: June 12, 2008
    Inventors: Eiji Itako, Yasuyuki Kimura, Futoshi Houjo, Satoru Tsurumaki, Seiji Takamatsu