Inventor · disambiguated record
Wu-Chieh Chang
Also filed as: CHANG WU-CHIEH
3 granted patents·1 pending application·75 citations·filing 2001–2010
74Inventor score
Technology areasB26B
Files withCHANG WU-CHIEH2
Top patents by PatentIndex Score
4 records- 0183USD653520SFolding knifeCHANG WU-CHIEH·Filed 2010·Granted Feb 7, 2012·47 cites·1 claims
- 0270USD455511SFlashlightFiled 2001·Granted Apr 9, 2002·21 cites·1 claims
- 0344USD456545SFlashlightFiled 2001·Granted Apr 30, 2002·7 cites·1 claims
- 0440US2012144677A1Folding knifeCHANG WU-CHIEH·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →