Inventor · disambiguated record
Kuo-Chen Liu
Also filed as: LIU KUO-CHEN
17 granted patents·6 pending applications·480 citations·filing 1997–2024
95Inventor score
Top patents by PatentIndex Score
23 records- 0197US6168287B1Combination of an electric-powered tool and an illuminating device received in the toolFiled 1999·Granted Jan 2, 2001·92 cites·1 claims
- 0296US7424841B2Device for locking and releasing a screw bitLIU KUO-CHEN·Filed 2006·Granted Sep 16, 2008·51 cites·2 claims
- 0396US5802936ATool having a rotatable driving stemFiled 1997·Granted Sep 8, 1998·91 cites·5 claims
- 0495US11359761B2Multipurpose holderLIU KUO CHEN·Filed 2021·Granted Jun 14, 2022·9 cites·7 claims
- 0585US7374042B2Tool boxJEOUTAY LIU INTERNAT CO LTD·Filed 2005·Granted May 20, 2008·26 cites·16 claims
- 0684USRE38729ECombination of an electric-powered tool and an illuminating device received in the toolICC INNOVATIVE CONCEPTS CORP·Filed 2002·Granted Apr 26, 2005·26 cites·19 claims
- 0783US7032483B2Toolbox screwdriverLIU KUO-CHEN·Filed 2004·Granted Apr 25, 2006·32 cites·8 claims
- 0877US7293484B2Opener head retainerLIU KUO-CHEN·Filed 2005·Granted Nov 13, 2007·10 cites·7 claims
- 0976USD510248SScrewdriver handleLIU KUO-CHEN·Filed 2004·Granted Oct 4, 2005·21 cites·1 claims
- 1075USD436819SElectronic screwdriverFiled 2000·Granted Jan 30, 2001·21 cites·1 claims
- 1172US7066054B2Ratchet wrenchLIU KUO-CHEN·Filed 2004·Granted Jun 27, 2006·17 cites·4 claims
- 1268USD507733SScrewdriver handleFiled 2004·Granted Jul 26, 2005·15 cites·1 claims
- 1364US7360654B2Opener boxLIU KUO-CHEN·Filed 2004·Granted Apr 22, 2008·12 cites·3 claims
- 1459US5957014ATool combination having two sectionsFiled 1998·Granted Sep 28, 1999·25 cites·3 claims
- 1558US6226875B1Grass shearsFiled 2000·Granted May 8, 2001·9 cites·3 claims
- 1656US6227079B1Self adjusting toolFiled 2000·Granted May 8, 2001·7 cites·13 claims
- 1755US2025184585A1Embedded electronic deviceLIU KUO CHEN·Filed 2024·Application pending·0 cites
- 1852US6145415AAdjustable pliersFiled 1999·Granted Nov 14, 2000·16 cites·5 claims
- 1947US2007234856A1Magnetic connecting tube for a screwdriver headLIU KUO-CHEN·Filed 2006·Application pending·0 cites
- 2044US2005076749A1Driving tool member having anti-slip deviceFiled 2003·Application pending·0 cites
- 2144US2005247155A1Bending structure of bendable openerLIU KUO-CHEN·Filed 2004·Application pending·0 cites
- 2242US2002095794A1Motorized grass shear deviceFiled 2001·Application pending·0 cites
- 2341US2003136228A1Tool having a structure for removing damaged screwsFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →