Inventor · disambiguated record
Jin-Tsai Lai
Also filed as: LAI JIN-TSAI
27 granted patents·6 pending applications·271 citations·filing 1998–2021
96Inventor score
Top patents by PatentIndex Score
33 records- 0196US7467575B2Replacement assembly of handle toolLAI JIN-TSAI·Filed 2006·Granted Dec 23, 2008·47 cites·5 claims
- 0295US10183383B2Ratchet screwdriverLAI JIN TSAI·Filed 2016·Granted Jan 22, 2019·10 cites·6 claims
- 0392US8262097B2Quick-release mechanism for hand toolLAI JIN-TSAI·Filed 2009·Granted Sep 11, 2012·27 cites·8 claims
- 0489US9108304B2Ratchet screwdriver able to change operating directionLAI JIN TSAI·Filed 2013·Granted Aug 18, 2015·12 cites·7 claims
- 0585US8960058B2Torque adjustment device for screwdriverLAI JIN TSAI·Filed 2013·Granted Feb 24, 2015·9 cites·9 claims
- 0684US7653970B1Detachable hand toolLAI JIN-TSAI·Filed 2009·Granted Feb 2, 2010·14 cites·7 claims
- 0782USD617170STool handleLAI JIN-TSAI·Filed 2008·Granted Jun 8, 2010·27 cites·1 claims
- 0880US7717016B2Tool handle for an exchangeable screwdriverLAI JIN-TSAI·Filed 2008·Granted May 18, 2010·13 cites·4 claims
- 0979US8141463B2Hand tool for adjusting torsionLAI JIN-TSAI·Filed 2010·Granted Mar 27, 2012·7 cites·8 claims
- 1077US7762161B2Ratchet screwdriverLAI JIN-TSAI·Filed 2008·Granted Jul 27, 2010·11 cites·18 claims
- 1175US7806264B1Toolbox having positioning structureLAI JIN-TSAI·Filed 2009·Granted Oct 5, 2010·10 cites·14 claims
- 1274US8973475B2Torsion adjusting structure of a screwdriverLAI JIN TSAI·Filed 2012·Granted Mar 10, 2015·5 cites·6 claims
- 1370US8220369B2Torque adjustable sleeve assemblyLAI JIN-TSAI·Filed 2009·Granted Jul 17, 2012·7 cites·6 claims
- 1470US8104383B2Torque socket assemblyLAI JIN-TSAI·Filed 2009·Granted Jan 31, 2012·7 cites·7 claims
- 1566US8122794B2Torque socket assemblyLAI JIN-TSAI·Filed 2009·Granted Feb 28, 2012·5 cites·7 claims
- 1663US9550285B2Connection device for connecting bit to hand toolLAI JIN-TSAI·Filed 2014·Granted Jan 24, 2017·2 cites·3 claims
- 1762US10953523B2Insulating ratchet driver with pivoting headWEI CHINS PLASTIC ENTPR CORP·Filed 2016·Granted Mar 23, 2021·1 cites·2 claims
- 1862US8042244B2Bearing adjusterLAI JIN-TSAI·Filed 2008·Granted Oct 25, 2011·3 cites·5 claims
- 1960USD740640SScrewdriver handleLAI JIN-TSAI·Filed 2014·Granted Oct 13, 2015·10 cites·1 claims
- 2060US2010288087A1Tool handleLAI JIN-TSAI·Filed 2009·Application pending·0 cites
- 2159US2010308090A1Tool and tool holder assemblyLAI JIN-TSAI·Filed 2009·Application pending·0 cites
- 2258US8590434B2Hand tool torsion adjustment structureLAI JIN-TSAI·Filed 2012·Granted Nov 26, 2013·1 cites·5 claims
- 2358US2010032327A1Tool boxLAI JIN-TSAI·Filed 2008·Application pending·0 cites
- 2456USD600524STool handleLAI JIN-TSAI·Filed 2008·Granted Sep 22, 2009·9 cites·1 claims
- 2554USD777550SScrewdriverLAI JIN-TSAI·Filed 2015·Granted Jan 31, 2017·6 cites·1 claims
- 2654US2010275741A1Bit having an identification functionLAI JIN-TSAI·Filed 2009·Application pending·0 cites
- 2753US2010101377A1Hand toolLAI JIN-TSAI·Filed 2008·Application pending·0 cites
- 2852US2023145491A1Screwdriver structureLAI JIN TSAI·Filed 2021·Application pending·0 cites
- 2951US5957285ATool boxFiled 1998·Granted Sep 28, 1999·20 cites·6 claims
- 3043US9908220B2Detachable tool assembly for screwdriverLAI JIN TSAI·Filed 2015·Granted Mar 6, 2018·0 cites·8 claims
- 3141USD628456STool bitLAI JIN-TSAI·Filed 2009·Granted Dec 7, 2010·3 cites·1 claims
- 3240USD625983STool bitLAI JIN-TSAI·Filed 2010·Granted Oct 26, 2010·3 cites·1 claims
- 3337USD609068STool handleLAI JIN-TSAI·Filed 2009·Granted Feb 2, 2010·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →