Inventor · disambiguated record
Ping-Wei Chang
Also filed as: CHANG PING-WEI
10 granted patents·7 pending applications·70 citations·filing 2000–2018
88Inventor score
Top patents by PatentIndex Score
17 records- 0189US10477128B2Neighborhood haze density estimation for single-image dehazeNIKON CORP·Filed 2018·Granted Nov 12, 2019·9 cites·26 claims
- 0283US6917412B2Modular stage with reaction force cancellationNIKON CORP·Filed 2003·Granted Jul 12, 2005·22 cites·45 claims
- 0375US6710295B1Slider curvature modification by substrate melting effect produced with a pulsed laser beamHITACHI GLOBAL STORAGE TECH·Filed 2000·Granted Mar 23, 2004·15 cites·19 claims
- 0467US8805556B2Damping apparatus and exposure apparatusSAIKI KAZUAKI·Filed 2009·Granted Aug 12, 2014·4 cites·18 claims
- 0566US6631548B2Simultaneous slider crown and camber adjust by scribe line controlIBM·Filed 2001·Granted Oct 14, 2003·6 cites·26 claims
- 0662US6831249B2Slider produced by slider curvature modification by substrate melting produced with a pulsed laser beamHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Dec 14, 2004·7 cites·9 claims
- 0757US6888701B2Enhanced twist adjust range with scribed lines for slider curvature adjustHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted May 3, 2005·3 cites·25 claims
- 0854US2006232886A1Improved planarization process for producing carriers with low step heightCHANG PING-WEI·Filed 2006·Application pending·0 cites
- 0951US7253576B2E/I core actuator commutation formula and control methodNIKON CORP·Filed 2004·Granted Aug 7, 2007·3 cites·32 claims
- 1050US7223350B2Planarization in an encapsulation process for thin film surfacesIBM·Filed 2002·Granted May 29, 2007·1 cites·20 claims
- 1150US7133257B2Control of twist, crown and camber for sliders using location sensitive scribingHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 7, 2006·0 cites·20 claims
- 1240US2007030462A1Low spring constant, pneumatic suspension with vacuum chamber, air bearing, active force compensation, and sectioned vacuum chambersNIKON CORP·Filed 2005·Application pending·0 cites
- 1339US2007097340A1Active damper with counter mass to compensate for structural vibrations of a lithographic systemNIKON CORP·Filed 2005·Application pending·0 cites
- 1438US2009153832A1Apparatus and method for isolating vibrations in a lithography machine using two active control unitsTATSUZAKI YOSUKE·Filed 2007·Application pending·0 cites
- 1536US2004119964A1Double isolation fine stageNIKON CORP·Filed 2002·Application pending·0 cites
- 1635US2003021067A1Control of twist, crown and camber for sliders using location sensitive scribingFiled 2001·Application pending·0 cites
- 1733US2013182235A1Measurement system that includes an encoder and an interferometerNIKON COPORATION·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →