Inventor · disambiguated record
Chen Chou Liu
Also filed as: LIU CHEN CHOU
4 granted patents·1 pending application·48 citations·filing 2002–2009
76Inventor score
Technology areasB43K
Files withLIU CHEN CHOU1
Top patents by PatentIndex Score
5 records- 0183US6685373B1Multi-cartridge color penFiled 2003·Granted Feb 3, 2004·27 cites·2 claims
- 0256US6817797B1Multi-color pen setFiled 2003·Granted Nov 16, 2004·7 cites·1 claims
- 0352USD469805SWriting implementFiled 2002·Granted Feb 4, 2003·10 cites·1 claims
- 0450US2011020049A1Marker pen with magnetic closure arrangementLIU CHEN CHOU·Filed 2009·Application pending·0 cites
- 0548US6503017B1Ink regulating apparatus in a penFiled 2002·Granted Jan 7, 2003·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →