Inventor · disambiguated record
Yu-En Percy Chang
Also filed as: CHANG YU-EN PERCY
8 granted patents·122 citations·filing 1999–2011
88Inventor score
Top patents by PatentIndex Score
8 records- 0191US6935013B1Apparatus and method for precise lapping of recessed and protruding elements in a workpieceHITACHI GLOBAL STORAGE TECH·Filed 2000·Granted Aug 30, 2005·41 cites·5 claims
- 0286US7989901B2MOS devices with improved source/drain regions with SiGeTAIWAN SEMICONDUCTOR MFG·Filed 2007·Granted Aug 2, 2011·15 cites·8 claims
- 0384US7275311B2Apparatus and system for precise lapping of recessed and protruding elements in a workpieceHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Oct 2, 2007·14 cites·4 claims
- 0478US6428715B1Method for producing slidersIBM·Filed 2000·Granted Aug 6, 2002·13 cites·6 claims
- 0559US6584676B1Method for manufacturing a pole tip trimmed read/write head structureIBM·Filed 2000·Granted Jul 1, 2003·8 cites·11 claims
- 0657US6385011B1Air bearing slider and manufacturing method thereforIBM·Filed 1999·Granted May 7, 2002·13 cites·18 claims
- 0756US8569846B2MOS devices with improved source/drain regions with SiGeLIN CHUN-CHIEH·Filed 2011·Granted Oct 29, 2013·1 cites·11 claims
- 0856US6663817B1Method for manufacture of slidersHITACHI GLOBAL STORAGE TECH·Filed 1999·Granted Dec 16, 2003·17 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →