Inventor · disambiguated record
Tsann-Huei Chang
Also filed as: CHANG TSANN-HUEI
9 granted patents·4 pending applications·209 citations·filing 1993–2012
89Inventor score
Top patents by PatentIndex Score
13 records- 0190US6719506B2Gantry type hybrid parallel linkage five-axis machine toolIND TECH RES INST·Filed 2001·Granted Apr 13, 2004·67 cites·13 claims
- 0287US6373158B1Motor main shaft provided with fast cooling meansIND TECH RES INST·Filed 2000·Granted Apr 16, 2002·39 cites·6 claims
- 0380US6422757B1Active piezoelectric spindle bearing preload adjustment mechanismIND TECH RES INST·Filed 2000·Granted Jul 23, 2002·18 cites·10 claims
- 0479US6048143AComposite mechanism multi-axis machine toolIND TECH RES INST·Filed 1999·Granted Apr 11, 2000·35 cites·16 claims
- 0553US7513776B1Patch panelHON HAI PREC IND CO LTD·Filed 2007·Granted Apr 7, 2009·4 cites·5 claims
- 0653US6817774B2Method and apparatus for automatically dynamically adjusting prestressed bearings of shaftIND TECH RES INST·Filed 2001·Granted Nov 16, 2004·5 cites·8 claims
- 0753US5424621AParallel conjugate cam type tool magazine mechanismIND TECH RES INST·Filed 1993·Granted Jun 13, 1995·12 cites·7 claims
- 0848US6398418B1Shaft having thermal expansion, thermal pre-load yielding and dynamic pre-load adjusting systemsIND TECH RES INST·Filed 2000·Granted Jun 4, 2002·4 cites·2 claims
- 0948US5327979ACoolant through spindle deviceIND TECH RES INST·Filed 1993·Granted Jul 12, 1994·25 cites·4 claims
- 1045US2009234898A1Method of generating pulse of digital differential analyzerFOXNUM TECHNOLOGY CO LTD·Filed 2008·Application pending·0 cites
- 1141US2009219015A1Apparatus for measuring kinetic parameters of punchFOXNUM TECHNOLOGY CO LTD·Filed 2008·Application pending·0 cites
- 1239US2013221953A1Absolute position recording device of motorCHANG TSANN-HUEI·Filed 2012·Application pending·0 cites
- 1334US2009262976A1Position-determining system and methodFOXNUM TECHNOLOGY CO LTD·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →