Inventor · disambiguated record
Shifan Zhang
Also filed as: ZHANG SHIFAN
3 granted patents·4 pending applications·0 citations·filing 2013–2022
41Inventor score
Top patents by PatentIndex Score
7 records- 0155US10919334B2Anti-counterfeiting pattern having optically variable structure and preparation method thereofCHINA BANKNOTE INK CO LTD·Filed 2018·Granted Feb 16, 2021·0 cites·7 claims
- 0254US2016271995A1Anti-counterfeiting pattern having optically variable structure and preparation method thereofCHINA BANKNOTE INK CO LTD·Filed 2014·Application pending·0 cites
- 0341US12258949B2Two-stroke pumping method and oil production deviceUNIV YANGTZE·Filed 2022·Granted Mar 25, 2025·0 cites·7 claims
- 0441US11851952B2Downhole displacement impact method and impact drilling toolUNIV YANGTZE·Filed 2022·Granted Dec 26, 2023·0 cites·6 claims
- 0522US2018111401A1Pattern with enhanced dynamic optically variable anti-counterfeiting effect and preparation method thereofCHINA BANKNOTE INK CO LTD·Filed 2015·Application pending·0 cites
- 0618US2014209690A1Fabric matrix rfid tag and method for manufacturing sameSHENZHEN HYAN MICROELECTRONICS CO LTD·Filed 2013·Application pending·0 cites
- 0718US2015363685A1Method and apparatus for manufacturing split antenna rfid tagSHENZHEN HYAN MICROELECTRONICS CO LTD·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →