Inventor · disambiguated record
Keitaro Sugihara
Also filed as: SUGIHARA KEITARO
10 granted patents·2 pending applications·4 citations·filing 2015–2022
78Inventor score
Top patents by PatentIndex Score
12 records- 0188US11977938B2Color display, authentication medium, and method of determining authenticity of color displayTOPPAN INC·Filed 2022·Granted May 7, 2024·2 cites·15 claims
- 0285US11774650B2Display bodyTOPPAN PRINTING CO LTD·Filed 2022·Granted Oct 3, 2023·1 cites·8 claims
- 0371US10792947B2Optical structureTOPPAN PRINTING CO LTD·Filed 2019·Granted Oct 6, 2020·1 cites·11 claims
- 0459US11372141B2Display bodyTOPPAN PRINTING CO LTD·Filed 2019·Granted Jun 28, 2022·0 cites·7 claims
- 0552US12443812B2Color display, authentication medium, and method for determining authenticity of color displayTOPPAN INC·Filed 2022·Granted Oct 14, 2025·0 cites·13 claims
- 0648US11511558B2Optical element, transfer foil, authentication medium, and method of verifying authentication mediumTOPPAN PRINTING CO LTD·Filed 2020·Granted Nov 29, 2022·0 cites·10 claims
- 0747US2019171028A1Display bodyTOPPAN PRINTING CO LTD·Filed 2019·Application pending·0 cites
- 0843US11555952B2Display and method of producing displayTOPPAN PRINTING CO LTD·Filed 2020·Granted Jan 17, 2023·0 cites·18 claims
- 0943US11300809B2Optical structure as motifTOPPAN PRINTING CO LTD·Filed 2019·Granted Apr 12, 2022·0 cites·12 claims
- 1042US11059317B2DisplayTOPPAN PRINTING CO LTD·Filed 2018·Granted Jul 13, 2021·0 cites·4 claims
- 1142US2020408972A1Optical element and authentication mediumTOPPAN PRINTING CO LTD·Filed 2020·Application pending·0 cites
- 1241US10471757B2Optical element for forgery proofTOPPAN PRINTING CO LTD·Filed 2015·Granted Nov 12, 2019·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →