Assignee
LIU KUO-CHEN
7 granted patents·3 pending applications·152 citations·filing 2004–2024
Top patents by PatentIndex Score
10 records- 0196US7424841B2Device for locking and releasing a screw bitLIU KUO-CHEN·Filed 2006·Granted Sep 16, 2008·51 cites·2 claims
- 0295US11359761B2Multipurpose holderLIU KUO CHEN·Filed 2021·Granted Jun 14, 2022·9 cites·7 claims
- 0383US7032483B2Toolbox screwdriverLIU KUO-CHEN·Filed 2004·Granted Apr 25, 2006·32 cites·8 claims
- 0477US7293484B2Opener head retainerLIU KUO-CHEN·Filed 2005·Granted Nov 13, 2007·10 cites·7 claims
- 0576USD510248SScrewdriver handleLIU KUO-CHEN·Filed 2004·Granted Oct 4, 2005·21 cites·1 claims
- 0672US7066054B2Ratchet wrenchLIU KUO-CHEN·Filed 2004·Granted Jun 27, 2006·17 cites·4 claims
- 0764US7360654B2Opener boxLIU KUO-CHEN·Filed 2004·Granted Apr 22, 2008·12 cites·3 claims
- 0855US2025184585A1Embedded electronic deviceLIU KUO CHEN·Filed 2024·Application pending·0 cites
- 0947US2007234856A1Magnetic connecting tube for a screwdriver headLIU KUO-CHEN·Filed 2006·Application pending·0 cites
- 1044US2005247155A1Bending structure of bendable openerLIU KUO-CHEN·Filed 2004·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →