Inventor · disambiguated record
Liu Chang
Also filed as: CHANG LIU · CHANG LIU-WEN
2 granted patents·1 pending application·92 citations·filing 2007–2010
68Inventor score
Top patents by PatentIndex Score
3 records- 0190US8317103B1Method for broadcasting a magnetic stripe data packet from an electronic smart cardFOO ERIC·Filed 2010·Granted Nov 27, 2012·46 cites·16 claims
- 0290US8226001B1Method for broadcasting a magnetic stripe data packet from an electronic smart cardFOO ERIC·Filed 2010·Granted Jul 24, 2012·46 cites·20 claims
- 0340US2008159121A1Write-once optical recording mediumCHINA STEEL CORP·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →