Inventor · disambiguated record
Ko-Chien Liu
Also filed as: LIU KO-CHIEN
2 granted patents·2 pending applications·16 citations·filing 2001–2006
57Inventor score
Files withLIU KO-CHIEN1
Top patents by PatentIndex Score
4 records- 0155US6523969B2Illuminating deviceFiled 2001·Granted Feb 25, 2003·11 cites·7 claims
- 0254US6388576B1Minitype alcohol excessive warning deviceFiled 2001·Granted May 14, 2002·5 cites·8 claims
- 0339US2007068863A1Apparatus for filtering impurities of and increasing the content of negative ions in drinking waterLIU KO-CHIEN·Filed 2006·Application pending·0 cites
- 0423US2002120655A1Pen type step calculating deviceFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →