Inventor · disambiguated record
Bao-Shen Liu
Also filed as: LIU BAO · LIU BAO-SHEN
20 granted patents·2 pending applications·588 citations·filing 1983–2020
96Inventor score
Top patents by PatentIndex Score
22 records- 0192US5133524ASuction cup deviceLIU BAO SHEN·Filed 1991·Granted Jul 28, 1992·92 cites·20 claims
- 0292US5104077ASuction cupHUNG MEI BRUSH CO LTD·Filed 1991·Granted Apr 14, 1992·96 cites·6 claims
- 0390US7110581B2Wavelet-enhanced automated fingerprint identification systemUNIV SINGAPORE·Filed 2005·Granted Sep 19, 2006·56 cites·17 claims
- 0490US6901155B2Wavelet-enhanced automated fingerprint identification systemUNIV SINGAPORE·Filed 2000·Granted May 31, 2005·118 cites·11 claims
- 0586US8152395B2Pen with adjustable holding structureLIU BAO-SHEN·Filed 2008·Granted Apr 10, 2012·9 cites·17 claims
- 0684US7665921B2Offset pen structure for rapid assemblingLIU BAO-SHEN·Filed 2006·Granted Feb 23, 2010·9 cites·19 claims
- 0783US6250828B1Offset penYORO PEN CORP·Filed 1999·Granted Jun 26, 2001·34 cites·27 claims
- 0883US5176346ASuction cup deviceLIU BAO SHEN·Filed 1991·Granted Jan 5, 1993·57 cites·20 claims
- 0971US6161976AAutomatic writing apparatus for segmental writing elements with capsPIONEER IND CORP·Filed 1999·Granted Dec 19, 2000·21 cites·16 claims
- 1066US4766675AAngle measuring instrumentLIU BAO SHEN·Filed 1987·Granted Aug 30, 1988·22 cites·3 claims
- 1166US4535542AVernier gaugeLIU BAO SHEN·Filed 1983·Granted Aug 20, 1985·21 cites·24 claims
- 1264US6893178B2Offset pen structureFiled 2003·Granted May 17, 2005·8 cites·16 claims
- 1354US2017197455A1Easy-to-hold off-axis penLIU BAO-SHEN·Filed 2014·Application pending·0 cites
- 1452US5479719ARolling rulerFiled 1994·Granted Jan 2, 1996·14 cites·16 claims
- 1551US12077285B2Free propeller assembly structure and aircraft structure having the sameLIU BAO SHEN·Filed 2020·Granted Sep 3, 2024·0 cites·6 claims
- 1649US7001090B2Offset penLIU BAO-SHEN·Filed 2004·Granted Feb 21, 2006·5 cites·9 claims
- 1749US2012207533A1Marker pen with a bending assemblyLIU BAO-SHEN·Filed 2012·Application pending·0 cites
- 1848US4805825ASafety nail driving deviceLIU YANG YUN YUEH·Filed 1987·Granted Feb 21, 1989·13 cites·11 claims
- 1947USD446812SWriting instrumentFiled 2000·Granted Aug 21, 2001·6 cites·1 claims
- 2041USD472269SPen holder shaft with killer whale motifLIU BAO-SHEN·Filed 2002·Granted Mar 25, 2003·4 cites·1 claims
- 2132US5433012ARolling ruleFiled 1993·Granted Jul 18, 1995·3 cites·22 claims
- 2230USD446815SGrip portion for a writing instrumentFiled 2000·Granted Aug 21, 2001·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →