Patents by Inventor Mihoko OHKAWA

Mihoko OHKAWA 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).

  • Patent number: 10899162
    Abstract: A laminate includes: a first laminate member; a second laminate member; and a hidden print formed by printing invisible ink between the first laminate member and the second laminate member. The hidden print is configured to absorb electromagnetic radiation outside the visible range. When irradiated with electromagnetic radiation outside a visible range that has passed through at least one of the first laminate member and the second laminate member, the hidden print absorbs the electromagnetic radiation to thereby show a sign, and, when irradiated with visible light, the hidden print does not show the sign.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: January 26, 2021
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Mihoko Ohkawa, Kazuyo Minowa
  • Publication number: 20200180346
    Abstract: A laminate includes: a first laminate member; a second laminate member; and a hidden print formed by printing invisible ink between the first laminate member and the second laminate member. The hidden print is configured to absorb electromagnetic radiation outside the visible range. When irradiated with electromagnetic radiation outside a visible range that has passed through at least one of the first laminate member and the second laminate member, the hidden print absorbs the electromagnetic radiation to thereby show a sign, and, when irradiated with visible light, the hidden print does not show the sign.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 11, 2020
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Mihoko OHKAWA, Kazuyo MINOWA
  • Patent number: 10300731
    Abstract: An anti-counterfeit medium, a method for manufacturing the same and a method for preventing counterfeiting are provided. The anti-counterfeit medium includes a retardation layer having birefringence and a reflection layer, and identification data is recorded in the anti-counterfeit medium. The identification data is divided into a plurality of partial images, and a plurality of transparent areas which correspond to the plurality of partial images are disposed adjacent to each other in the same plane so as to form the retardation layer, the plurality of transparent areas having optical axes which are oriented in different directions from each other in a rotation direction. The identification data includes biometric information.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: May 28, 2019
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Mihoko Ohkawa, Hideki Ochiai, Kota Aono, Yuki Kotegawa
  • Publication number: 20180222242
    Abstract: An anti-counterfeit medium, a method for manufacturing the same and a method for preventing counterfeiting are provided. The anti-counterfeit medium includes a retardation layer having birefringence and a reflection layer, and identification data is recorded in the anti-counterfeit medium. The identification data is divided into a plurality of partial images, and a plurality of transparent areas which correspond to the plurality of partial images are disposed adjacent to each other in the same plane so as to form the retardation layer, the plurality of transparent areas having optical axes which are oriented in different directions from each other in a rotation direction. The identification data includes biometric information.
    Type: Application
    Filed: April 4, 2018
    Publication date: August 9, 2018
    Applicant: Toppan Printing Co., Ltd.
    Inventors: Mihoko OHKAWA, Hideki OCHIAI, Kota AONO, Yuki KOTEGAWA
  • Patent number: 9956805
    Abstract: An anti-counterfeit medium, a method for manufacturing the same and a method for preventing counterfeiting are provided. The anti-counterfeit medium includes a retardation layer having birefringence and a reflection layer, and identification data is recorded in the anti-counterfeit medium. The identification data is divided into a plurality of partial images, and a plurality of transparent areas which correspond to the plurality of partial images are disposed adjacent to each other in the same plane so as to form the retardation layer, the plurality of transparent areas having optical axes which are oriented in different directions from each other in a rotation direction. The identification data includes biometric information.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: May 1, 2018
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Mihoko Ohkawa, Hideki Ochiai, Kota Aono, Yuki Kotegawa
  • Publication number: 20160052327
    Abstract: An anti-counterfeit medium, a method for manufacturing the same and a method for preventing counterfeiting are provided. The anti-counterfeit medium includes a retardation layer having birefringence and a reflection layer, and identification data is recorded in the anti-counterfeit medium. The identification data is divided into a plurality of partial images, and a plurality of transparent areas which correspond to the plurality of partial images are disposed adjacent to each other in the same plane so as to form the retardation layer, the plurality of transparent areas having optical axes which are oriented in different directions from each other in a rotation direction. The identification data includes biometric information.
    Type: Application
    Filed: October 7, 2015
    Publication date: February 25, 2016
    Applicant: Toppan Printing Co., Ltd.
    Inventors: Mihoko OHKAWA, Hideki OCHIAI, Kota AONO, Yuki KOTEGAWA