Inventor · disambiguated record
Hsueh-Rong Chang
Also filed as: CHANG HSUEH-RONG
30 granted patents·1 pending application·2,155 citations·filing 1987–2013
98Inventor score
Files withGEN ELECTRIC18ROCKWELL SCIENCE CENTER LLC4INT RECTIFIER CORP3ROCKWELL SCIENT LICENSING LLC2TELEDYNE LICENSING LLC2
Top patents by PatentIndex Score
31 records- 0199US4801986AVertical double diffused metal oxide semiconductor VDMOS device with increased safe operating area and methodGEN ELECTRIC·Filed 1987·Granted Jan 31, 1989·329 cites·23 claims
- 0298US4982260APower rectifier with trenchesGEN ELECTRIC·Filed 1989·Granted Jan 1, 1991·245 cites·19 claims
- 0397US5111253AMulticellular FET having a Schottky diode merged therewithGEN ELECTRIC·Filed 1990·Granted May 5, 1992·279 cites·31 claims
- 0497US4903189ALow noise, high frequency synchronous rectifierGEN ELECTRIC·Filed 1988·Granted Feb 20, 1990·167 cites·20 claims
- 0597US4823176AVertical double diffused metal oxide semiconductor (VDMOS) device including high voltage junction exhibiting increased safe operating areaGEN ELECTRIC·Filed 1987·Granted Apr 18, 1989·165 cites·32 claims
- 0696US4992390ATrench gate structure with thick bottom oxideGEN ELECTRIC·Filed 1989·Granted Feb 12, 1991·219 cites·5 claims
- 0794US4961100ABidirectional field effect semiconductor device and circuitGEN ELECTRIC·Filed 1988·Granted Oct 2, 1990·100 cites·7 claims
- 0890US4994871AInsulated gate bipolar transistor with improved latch-up current level and safe operating areaGEN ELECTRIC·Filed 1988·Granted Feb 19, 1991·63 cites·29 claims
- 0989US8354733B2IGBT power semiconductor package having a conductive clipINT RECTIFIER CORP·Filed 2011·Granted Jan 15, 2013·9 cites·20 claims
- 1089US6392273B1Trench insulated-gate bipolar transistor with improved safe-operating-areaROCKWELL SCIENCE CENTER LLC·Filed 2000·Granted May 21, 2002·56 cites·22 claims
- 1188US6252288B1High power trench-based rectifier with improved reverse breakdown characteristicROCKWELL SCIENCE CENTER LLC·Filed 1999·Granted Jun 26, 2001·77 cites·18 claims
- 1287US6399998B1High voltage insulated-gate bipolar switchROCKWELL TECH LLC·Filed 2000·Granted Jun 4, 2002·44 cites·29 claims
- 1387US6380569B1High power unipolar FET switchROCKWELL SCIENCE CENTER LLC·Filed 1999·Granted Apr 30, 2002·74 cites·47 claims
- 1486US4994883AField controlled diode (FCD) having MOS trench gatesGEN ELECTRIC·Filed 1989·Granted Feb 19, 1991·48 cites·13 claims
- 1581US7476932B2U-shape metal-oxide-semiconductor (UMOS) gate structure for high power MOS-based semiconductor devicesBOEING CO·Filed 2006·Granted Jan 13, 2009·9 cites·24 claims
- 1681US5434482AElectrodeless fluorescent lamp with optimized amalgam positioningGEN ELECTRIC·Filed 1993·Granted Jul 18, 1995·47 cites·20 claims
- 1781US4942445ALateral depletion mode tyristorGEN ELECTRIC·Filed 1988·Granted Jul 17, 1990·39 cites·23 claims
- 1877US5412289AUsing a magnetic field to locate an amalgam in an electrodeless fluorescent lampGEN ELECTRIC·Filed 1993·Granted May 2, 1995·30 cites·9 claims
- 1975US5270615AMulti-layer oxide coating for high intensity metal halide discharge lampsGEN ELECTRIC·Filed 1991·Granted Dec 14, 1993·27 cites·4 claims
- 2074US6252258B1High power rectifierROCKWELL SCIENCE CENTER LLC·Filed 1999·Granted Jun 26, 2001·37 cites·39 claims
- 2172US6906356B1High voltage switchROCKWELL SCIENT LICENSING LLC·Filed 2004·Granted Jun 14, 2005·17 cites·23 claims
- 2271US5240570ASurfactant augmented in-situ removal of PCBs from soil by electroosmosisGEN ELECTRIC·Filed 1992·Granted Aug 31, 1993·32 cites·6 claims
- 2370US9118126B2Power semiconductor package with conductive clipINT RECTIFIER CORP·Filed 2013·Granted Aug 25, 2015·2 cites·20 claims
- 2457US7135740B2High voltage FET switch with conductivity modulationTELEDYNE LICENSING LLC·Filed 2004·Granted Nov 14, 2006·7 cites·30 claims
- 2554US4963950AMetal oxide semiconductor gated turn-off thyristor having an interleaved structureGEN ELECTRIC·Filed 1988·Granted Oct 16, 1990·14 cites·22 claims
- 2648US6965131B2Thyristor switch with turn-off current shunt, and operating methodROCKWELL SCIENT LICENSING LLC·Filed 2003·Granted Nov 15, 2005·3 cites·12 claims
- 2746US7173290B2Thyristor switch with turn-off current shunt, and operating methodTELEDYNE LICENSING LLC·Filed 2003·Granted Feb 6, 2007·2 cites·18 claims
- 2846US5343118AIodine getter for a high intensity metal halide discharge lampGEN ELECTRIC·Filed 1993·Granted Aug 30, 1994·7 cites·5 claims
- 2943US2013277711A1Oscillation Free Fast-Recovery DiodeINT RECTIFIER CORP·Filed 2013·Application pending·0 cites
- 3039US5438244AUse of silver and nickel silicide to control iodine level in electrodeless high intensity discharge lampsGEN ELECTRIC·Filed 1994·Granted Aug 1, 1995·4 cites·6 claims
- 3138US5866983AProtective metal silicate coating for electrodeless HID lampsGEN ELECTRIC·Filed 1996·Granted Feb 2, 1999·3 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →