Inventor · disambiguated record
Zi-Wen Cao
Also filed as: CAO ZI-WEN
6 granted patents·208 citations·filing 1998–1999
84Inventor score
Technology areasA47C
Files withCAO ZI-WEN1
Top patents by PatentIndex Score
6 records- 0189US6017091AAdjustable armrest assemblyFiled 1999·Granted Jan 25, 2000·109 cites·1 claims
- 0281US5876097AAdjustable armrest deviceFiled 1998·Granted Mar 2, 1999·73 cites·4 claims
- 0337USD429926SBackrest support frame for a chairCAO ZI-WEN·Filed 1999·Granted Aug 29, 2000·5 cites·1 claims
- 0436US6131997ALocking device for a rotatable chair or tableFiled 1999·Granted Oct 17, 2000·12 cites·5 claims
- 0530US5879054AArmrest DeviceFiled 1998·Granted Mar 9, 1999·8 cites·3 claims
- 0628USD450209SBackrest support frame for a chairFiled 1999·Granted Nov 13, 2001·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →