Inventor · disambiguated record
Zu-Shung Shu
Also filed as: SHU ZU S · SHU ZU-SHUNG
12 granted patents·2 pending applications·174 citations·filing 1992–2019
91Inventor score
Top patents by PatentIndex Score
14 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
- 0383USD442049SScrewdriver handleFiled 2000·Granted May 15, 2001·32 cites·1 claims
- 0479USD576467STool handleSHU ZU-SHUNG·Filed 2007·Granted Sep 9, 2008·26 cites·1 claims
- 0573US7424837B2Quick switch hand toolSHU ZU-SHUNG·Filed 2007·Granted Sep 16, 2008·7 cites·21 claims
- 0671US6976409B2Selective one-way bit-driving apparatusSHU ZU-SHUNG·Filed 2004·Granted Dec 20, 2005·16 cites·18 claims
- 0768US5211086ATool with sliding sleeve for ratchet direction controlSHU ZU S·Filed 1992·Granted May 18, 1993·28 cites·2 claims
- 0864US8720307B2Ratchet screwdriverSHU ZU-SHUNG·Filed 2011·Granted May 13, 2014·3 cites·10 claims
- 0951US2020246946A1Ratchet toolKONG DING IND CO LTD·Filed 2019·Application pending·0 cites
- 1049US7121168B2Bit-driving apparatusSHU ZU-SHUNG·Filed 2004·Granted Oct 17, 2006·3 cites·20 claims
- 1149US2009008886A1ChuckSHU ZU-SHUNG·Filed 2007·Application pending·0 cites
- 1238US6151995ARatchet mechanism housing assembly for a ratchet screwdriverFiled 1999·Granted Nov 28, 2000·9 cites·1 claims
- 1336US5339711ARatchet screw driverSHU ZU SHUNG·Filed 1993·Granted Aug 23, 1994·7 cites·3 claims
- 1435USD608178STool handleSHU ZU-SHUNG·Filed 2009·Granted Jan 19, 2010·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →