Patents by Inventor Atsuhiro Sabashi

Atsuhiro Sabashi 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).

  • Information recording object and reading device
    Patent number: 10242309
    Abstract: Provided are an information recording object and a reading device devised so that embedded information is difficult to guess. The information recording object 30 provided with a combined image comprising an image C1 printed in a lustrous layer 31 and an image C2 formed on the image C1 and printed in a transparent layer 32 is characterized in that: the image C1 and the image C2 are each printed with an ink for which the amount of reflected light differs according to viewing angle; for the combined image, one image is visible depending on the viewing angle; the image C2 is an image in which there is a regularity in feature points in a spatial frequency domain F2; and the image C1 is an image in which the feature points in a spatial frequency domain F1 are disposed at positions that block said regularity.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: March 26, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Yuko Aoyama, Toshihisa Yamakawa, Atsuhiro Sabashi, Daiki Katou
  • INFORMATION RECORDING OBJECT AND READING DEVICE
    Publication number: 20170316304
    Abstract: Provided are an information recording object and a reading device devised so that embedded information is difficult to guess. The information recording object 30 provided with a combined image comprising an image C1 printed in a lustrous layer 31 and an image C2 formed on the image C1 and printed in a transparent layer 32 is characterized in that: the image C1 and the image C2 are each printed with an ink for which the amount of reflected light differs according to viewing angle; for the combined image, one image is visible depending on the viewing angle; the image C2 is an image in which there is a regularity in feature points in a spatial frequency domain F2; and the image C1 is an image in which the feature points in a spatial frequency domain F1 are disposed at positions that block said regularity.
    Type: Application
    Filed: September 4, 2015
    Publication date: November 2, 2017
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Yuko Aoyama, Toshihisa Yamakawa, Atsuhiro Sabashi, Daiki Katou