Assignee
SHU ZU-SHUNG
9 granted patents·1 pending application·105 citations·filing 1993–2017
Top patents by PatentIndex Score
10 records- 0193US7195247B2Tool jointSHU ZU-SHUNG·Filed 2005·Granted Mar 27, 2007·37 cites·19 claims
- 0285US10307896B2Sleeve device for receiving bitsSHU ZU SHUNG·Filed 2017·Granted Jun 4, 2019·4 cites·15 claims
- 0379USD576467STool handleSHU ZU-SHUNG·Filed 2007·Granted Sep 9, 2008·26 cites·1 claims
- 0473US7424837B2Quick switch hand toolSHU ZU-SHUNG·Filed 2007·Granted Sep 16, 2008·7 cites·21 claims
- 0571US6976409B2Selective one-way bit-driving apparatusSHU ZU-SHUNG·Filed 2004·Granted Dec 20, 2005·16 cites·18 claims
- 0664US8720307B2Ratchet screwdriverSHU ZU-SHUNG·Filed 2011·Granted May 13, 2014·3 cites·10 claims
- 0749US7121168B2Bit-driving apparatusSHU ZU-SHUNG·Filed 2004·Granted Oct 17, 2006·3 cites·20 claims
- 0849US2009008886A1ChuckSHU ZU-SHUNG·Filed 2007·Application pending·0 cites
- 0936US5339711ARatchet screw driverSHU ZU SHUNG·Filed 1993·Granted Aug 23, 1994·7 cites·3 claims
- 1035USD608178STool handleSHU ZU-SHUNG·Filed 2009·Granted Jan 19, 2010·2 cites·1 claims
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