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Keitaro SUGIHARA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Color display, authentication medium, and method of determining aut...
    • Patent number 11,977,938
    • Issue date May 7, 2024
    • TOPPAN INC.
    • Keitaro Sugihara
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Display body
    • Patent number 11,774,650
    • Issue date Oct 3, 2023
    • Toppan Printing Co., Ltd.
    • Tomoko Tashiro
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display and method of producing display
    • Patent number 11,555,952
    • Issue date Jan 17, 2023
    • Toppan Printing Co., Ltd.
    • Keitaro Sugihara
    • G02 - OPTICS
  • Information Patent Grant

    Optical element, transfer foil, authentication medium, and method o...
    • Patent number 11,511,558
    • Issue date Nov 29, 2022
    • Toppan Printing Co., Ltd.
    • Hanako Yamamoto
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Display body
    • Patent number 11,372,141
    • Issue date Jun 28, 2022
    • Toppan Printing Co., Ltd.
    • Tomoko Tashiro
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Optical structure as motif
    • Patent number 11,300,809
    • Issue date Apr 12, 2022
    • Toppan Printing Co., Ltd.
    • Keitaro Sugihara
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Display
    • Patent number 11,059,317
    • Issue date Jul 13, 2021
    • Toppan Printing Co., Ltd.
    • Tomoko Tashiro
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Optical structure
    • Patent number 10,792,947
    • Issue date Oct 6, 2020
    • Toppan Printing Co., Ltd.
    • Tomoko Tashiro
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Optical element for forgery proof
    • Patent number 10,471,757
    • Issue date Nov 12, 2019
    • Toppan Printing Co., Ltd.
    • Kazuhiro Yashiki
    • G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

  • Information Patent Application

    COLOR DISPLAY, AUTHENTICATION MEDIUM, AND METHOD FOR DETERMINING AU...
    • Publication number 20230031501
    • Publication date Feb 2, 2023
    • TOPPAN INC.
    • Keitaro SUGIHARA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    DISPLAY BODY
    • Publication number 20220299684
    • Publication date Sep 22, 2022
    • Toppan Printing Co., Ltd.
    • Tomoko TASHIRO
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    COLOR DISPLAY, AUTHENTICATION MEDIUM, AND METHOD OF DETERMINING AUT...
    • Publication number 20220215215
    • Publication date Jul 7, 2022
    • TOPPAN INC.
    • Keitaro SUGIHARA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    OPTICAL ELEMENT, TRANSFER FOIL, AUTHENTICATION MEDIUM, AND METHOD O...
    • Publication number 20210001659
    • Publication date Jan 7, 2021
    • Toppan Printing Co., Ltd.
    • Hanako YAMAMOTO
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL ELEMENT AND AUTHENTICATION MEDIUM
    • Publication number 20200408972
    • Publication date Dec 31, 2020
    • Toppan Printing Co., Ltd.
    • Tomoko TASHIRO
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    DISPLAY AND METHOD OF PRODUCING DISPLAY
    • Publication number 20200301052
    • Publication date Sep 24, 2020
    • Toppan Printing Co.,Ltd.
    • Keitaro SUGIHARA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL STRUCTURE
    • Publication number 20200086674
    • Publication date Mar 19, 2020
    • Toppan Printing Co., Ltd.
    • Tomoko TASHIRO
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    OPTICAL STRUCTURE AS MOTIF
    • Publication number 20200026092
    • Publication date Jan 23, 2020
    • Toppan Printing Co., Ltd.
    • Keitaro SUGIHARA
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    DISPLAY BODY
    • Publication number 20190170917
    • Publication date Jun 6, 2019
    • Toppan Printing Co., Ltd.
    • Tomoko Tashiro
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY BODY
    • Publication number 20190171028
    • Publication date Jun 6, 2019
    • Toppan Printing Co., Ltd.
    • Keitaro SUGIHARA
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY
    • Publication number 20190105939
    • Publication date Apr 11, 2019
    • Toppan Printing Co., Ltd.
    • Tomoko TASHIRO
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    OPTICAL ELEMENT FOR FORGERY PROOF
    • Publication number 20170334232
    • Publication date Nov 23, 2017
    • Toppan Printing Co., Ltd.
    • Kazuhiro YASHIKI
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER