Inventor · disambiguated record
Cheng-Tsan Hu
Also filed as: HU CHENG · HU CHENG-TSAN
10 granted patents·6 pending applications·136 citations·filing 2001–2018
90Inventor score
Top patents by PatentIndex Score
16 records- 0195US9067807B2Treatment of wastewaterSOANE DAVID·Filed 2010·Granted Jun 30, 2015·21 cites·11 claims
- 0290US7185565B1Screwdriver having a ratchet mechanismHU CHENG-TSAN·Filed 2006·Granted Mar 6, 2007·30 cites·3 claims
- 0381US10525571B2Screwdriver and ratchet mechanism thereofGONG FONG ENTPR CO LTD·Filed 2018·Granted Jan 7, 2020·3 cites·7 claims
- 0476US7353734B1Screwdriver having a ratchet mechanismHU CHENG-TSAN·Filed 2007·Granted Apr 8, 2008·12 cites·5 claims
- 0569USD603683STool handleGONG FONG ENTPR CO LTD·Filed 2008·Granted Nov 10, 2009·17 cites·1 claims
- 0664US7748296B2Ratchet screwdriver with an accelerating structureGONG FONG ENTPR CO LTD·Filed 2008·Granted Jul 6, 2010·5 cites·6 claims
- 0764US6968760B2Precision screwdriver having a turning headHU CHENG-TSAN·Filed 2004·Granted Nov 29, 2005·14 cites·3 claims
- 0864US6457385B1Precision driver rotation structureFiled 2001·Granted Oct 1, 2002·13 cites·3 claims
- 0963USD539744SHDMI connectorHON HAI PREC IND CO LTD·Filed 2005·Granted Apr 3, 2007·13 cites·1 claims
- 1056US6997088B2Screwdriver heads chamber for a precise screwdriverHU CHENG-TSAN·Filed 2004·Granted Feb 14, 2006·8 cites·2 claims
- 1156US2015336808A1Treatment of wastewaterSOANE ENERGY LLC·Filed 2015·Application pending·0 cites
- 1255US2008005852A1Durable multifunctional finishing of fabricsNANO TEX INC·Filed 2007·Application pending·0 cites
- 1352US2010294087A1Tool sleeve clamping structureGONG FONG ENTPR CO LTD·Filed 2009·Application pending·0 cites
- 1450US2006021150A1Durable treatment for fabricsHU CHENG·Filed 2005·Application pending·0 cites
- 1545US2004025650A1Turning head of precision screwdriverFiled 2002·Application pending·0 cites
- 1634US2012031239A1Retractable screwdriverHU CHE-I·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →