Inventor · disambiguated record
Tsutao Nishizaki
Also filed as: NISHIZAKI TSUTAO
6 granted patents·281 citations·filing 1999–2021
79Inventor score
Top patents by PatentIndex Score
6 records- 0182US10062023B2Method for concealing hidden-object information, device and program for concealing hidden-object information, method for extracting hidden-object information, and device for extracting hidden-object informationTOPPAN TDK LABEL CO LTD·Filed 2015·Granted Aug 28, 2018·6 cites·22 claims
- 0278US9858518B2Method for generating two-dimensional barcode, device for generating two-dimensional barcode, method for reading two-dimensional barcode, device for reading two-dimensional barcode, two-dimensional barcode, and programTOPPAN TDK LABEL CO LTD·Filed 2014·Granted Jan 2, 2018·6 cites·5 claims
- 0375US6616535B1IC card system for a game machineSCHLUMBERGER SYSTEMS·Filed 1999·Granted Sep 9, 2003·269 cites·9 claims
- 0447US10789439B2Method and device for generating two-dimensional barcode, program, two-dimensional barcode, method and device for reading two-dimensional barcode, and administration system for 2D barcodeTOPPAN TDK LABEL CO LTD·Filed 2016·Granted Sep 29, 2020·0 cites·22 claims
- 0541US10108834B2Method and device for generating two-dimensional barcode, program, two-dimensional barcode, and method and device for reading two-dimensional barcodeTOPPAN TDK LABEL CO LTD·Filed 2015·Granted Oct 23, 2018·0 cites·19 claims
- 0636US12112231B2Dynamic two-dimensional code group generation method and systemARK LTD·Filed 2021·Granted Oct 8, 2024·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →