Inventor · disambiguated record
David Chang
Also filed as: CHANG DAVID · CHANG DAVID S · CHANG DAVID S J · CHANG DAVID SHANG-JIE
28 granted patents·1 pending application·749 citations·filing 1984–2022
97Inventor score
Top patents by PatentIndex Score
29 records- 0198USD706254SProtective case kickstandCHANG DAVID S·Filed 2012·Granted Jun 3, 2014·207 cites·1 claims
- 0291USD682815SCaseCHANG DAVID·Filed 2011·Granted May 21, 2013·52 cites·1 claims
- 0390USD710839SProtective coverCHANG DAVID·Filed 2013·Granted Aug 12, 2014·44 cites·1 claims
- 0489US4620049AMethod and apparatus for controlling polybutene productionSTANDARD OIL CO INDIANA·Filed 1984·Granted Oct 28, 1986·30 cites·11 claims
- 0588US6277423B1Fried snack, fried snack dough and process for making the samePROCTER & GAMBLE·Filed 2000·Granted Aug 21, 2001·23 cites·12 claims
- 0686US8821942B1Highly compressible, low density ground calcium carbonate granulation and a related method of preparationCHANG DAVID S·Filed 2012·Granted Sep 2, 2014·7 cites·20 claims
- 0786USD401971SBrush standCHANG DAVID S·Filed 1996·Granted Dec 1, 1998·31 cites·1 claims
- 0885US6703065B2Fabricated potato chipsPROCTER & GAMBLE·Filed 2001·Granted Mar 9, 2004·23 cites·15 claims
- 0982US6022574AProcess for making a fried snack productFiled 1997·Granted Feb 8, 2000·44 cites·16 claims
- 1081USD681624SProtective coverCHANG DAVID S·Filed 2012·Granted May 7, 2013·26 cites·1 claims
- 1178USD534646SNutritional supplement tabletACCESS BUSINESS GROUP INT LLC·Filed 2006·Granted Jan 2, 2007·26 cites·1 claims
- 1277US9209850B2Protective case for controlling sound wavesCHANG DAVID·Filed 2013·Granted Dec 8, 2015·4 cites·3 claims
- 1376US8324857B1Portable stackable solar batteriesCHANG DAVID·Filed 2008·Granted Dec 4, 2012·12 cites·18 claims
- 1474US7115283B2Preparations for sustained release of nutraceuticals and methods of controllably releasing nutraceuticalsACCESS BUSINESS GROUP INT LLC·Filed 2003·Granted Oct 3, 2006·3 cites·15 claims
- 1573USD710345SProtective coverCHANG DAVID·Filed 2013·Granted Aug 5, 2014·18 cites·1 claims
- 1670US9456673B2Fluid sealable protective case for portable electronic devicesCHANG DAVID·Filed 2013·Granted Oct 4, 2016·2 cites·13 claims
- 1770US8486475B2Rice flour compositionsVILLAGRAN MARIA DOLORES-MARTINEZ-SERNA·Filed 2004·Granted Jul 16, 2013·5 cites·3 claims
- 1870US6033707AFried snackFiled 1997·Granted Mar 7, 2000·39 cites·1 claims
- 1964US5602535AVehicle security system based on two step communication range between transmitter and receiverFRIEDKIN CORP·Filed 1994·Granted Feb 11, 1997·96 cites·11 claims
- 2063USD744635SDietary supplementACCESS BUSINESS GROUP INT LLC·Filed 2014·Granted Dec 1, 2015·12 cites·1 claims
- 2158US2014073377A1Protective case for portable electronic devicesCHANG DAVID·Filed 2013·Application pending·0 cites
- 2257USD1049384STooth washing instrumentFARSTAR WUXI MEDICAL EQUIPMENT CO LTD·Filed 2022·Granted Oct 29, 2024·2 cites·1 claims
- 2355US5340509AProcess for pelletizing ultra high melt flow crystalline polymers and products therefromSHELL OIL CO·Filed 1992·Granted Aug 23, 1994·21 cites·5 claims
- 2449US6136359AFried snack dough composition and method of preparing a fried snack productPROCTER & GAMBLE·Filed 1999·Granted Oct 24, 2000·13 cites·26 claims
- 2547US10298053B2Interconnecting solar rechargeable batteries in a planar or vertical arrangementSOLARLEGO INC·Filed 2015·Granted May 21, 2019·0 cites·17 claims
- 2645US9231422B2Interconnecting solar rechargeable batteriesSOLARLEGO INC·Filed 2012·Granted Jan 5, 2016·0 cites·15 claims
- 2745USD374542SSnack foodPROCTER & GAMBLE·Filed 1995·Granted Oct 15, 1996·7 cites·1 claims
- 2836US11291683B2Bilayer tablets of B vitamins and process for preparing the sameACCESS BUSINESS GROUP INT LLC·Filed 2017·Granted Apr 5, 2022·0 cites·20 claims
- 2932US4763608APig holderCHANG DAVID·Filed 1987·Granted Aug 16, 1988·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →