Inventor · disambiguated record
Charles Chang
Also filed as: CHANG CHARLES · CHANG CHARLES C · CHANG CHARLES C T
57 granted patents·13 pending applications·1,478 citations·filing 1985–2015
99Inventor score
Top patents by PatentIndex Score
70 records- 0199US5108048AStowage bin and support panel system for convertible aircraft and method of installationBOEING CO·Filed 1989·Granted Apr 28, 1992·212 cites·38 claims
- 0295US7785026B2Cosmetic applicator deviceENG SERENA·Filed 2007·Granted Aug 31, 2010·48 cites·12 claims
- 0394US7503331B2Cosmetic compactENG SERENA·Filed 2007·Granted Mar 17, 2009·38 cites·19 claims
- 0491US6382773B1Method and structure for measuring temperature of heater elements of ink-jet printheadIND TECH RES INST·Filed 2000·Granted May 7, 2002·44 cites·19 claims
- 0590US6412918B1Back-shooting inkjet print headIND TECH RES INST·Filed 2001·Granted Jul 2, 2002·43 cites·15 claims
- 0688USD450889SVertical dial stick caseFiled 2001·Granted Nov 20, 2001·39 cites·1 claims
- 0788USD441145SVertical dial stick caseFiled 2000·Granted Apr 24, 2001·39 cites·1 claims
- 0888US5875918AHermetically-sealed container and closure constructionCHARLES CHANG·Filed 1997·Granted Mar 2, 1999·95 cites·36 claims
- 0987US5791506ASealing container which includes a two-part cap for displaying a cosmetic productCHANG CHARLES·Filed 1996·Granted Aug 11, 1998·81 cites·8 claims
- 1086US5875791AMascara container and applicatorCHANG CHARLES·Filed 1998·Granted Mar 2, 1999·54 cites·9 claims
- 1184US6132126AAdjustable cosmetic applicatorCHANG CHARLES·Filed 1999·Granted Oct 17, 2000·49 cites·7 claims
- 1282US8113219B1Cosmetic powder dispenser with retractable brushCHANG CHARLES·Filed 2008·Granted Feb 14, 2012·8 cites·9 claims
- 1380US6666545B2Driver transistor structure of inkjet print head chip and the method for making the sameIND TECH RES INST·Filed 2002·Granted Dec 23, 2003·20 cites·7 claims
- 1480USD457986SCosmetic containerCHANG CHARLES·Filed 2001·Granted May 28, 2002·20 cites·1 claims
- 1580US6378978B1Chip structure of inkjet printhead and method of estimating working life through detection of defectsIND TECH RES INST·Filed 2000·Granted Apr 30, 2002·25 cites·12 claims
- 1679US6543887B2Inkjet print headIND TECH RES INST·Filed 2001·Granted Apr 8, 2003·21 cites·13 claims
- 1779US5988917ACosmetic stick dispenserCHANG CHARLES·Filed 1998·Granted Nov 23, 1999·39 cites·17 claims
- 1878US6526989B2Cosmetic pot with hidden hinge between cover and baseCHANG CHARLES·Filed 2001·Granted Mar 4, 2003·19 cites·17 claims
- 1977US6138687ACosmetic jar and applicatorCHANG CHARLES·Filed 1999·Granted Oct 31, 2000·38 cites·15 claims
- 2077US5813561ASanitary beverage can lidFiled 1997·Granted Sep 29, 1998·62 cites·11 claims
- 2176US8109406B2Beverage container constructionCHANG CHARLES·Filed 2007·Granted Feb 7, 2012·6 cites·1 claims
- 2276US6029842ACosmetic jar with transparent cover and hidden threadsCHANG CHARLES·Filed 1998·Granted Feb 29, 2000·37 cites·16 claims
- 2375US4900529AProcess for making crystalline siliceous materialsGRACE W R & CO·Filed 1985·Granted Feb 13, 1990·26 cites·43 claims
- 2473US8464730B1Cosmetic compactENG SERENA·Filed 2011·Granted Jun 18, 2013·6 cites·2 claims
- 2573US6405737B1Lipstick package with dispensing compartment(s)CHANG CHARLES·Filed 2001·Granted Jun 18, 2002·14 cites·11 claims
- 2673US5669400ACosmetic jar and storage deviceCHANG CHARLES·Filed 1996·Granted Sep 23, 1997·34 cites·22 claims
- 2772US5220636AAdjustable air freshenerCHANG CHARLES·Filed 1991·Granted Jun 15, 1993·83 cites·5 claims
- 2871US6450359B1Sanitary beverage can lidFiled 2000·Granted Sep 17, 2002·19 cites·13 claims
- 2969US7997286B2Cosmetic compactENG SERENA·Filed 2007·Granted Aug 16, 2011·2 cites·4 claims
- 3067US5709232ACosmetic jar and storage deviceCHANG CHARLES·Filed 1995·Granted Jan 20, 1998·28 cites·19 claims
- 3166US8604877B2Differential amplifierCHANG CHARLES·Filed 2011·Granted Dec 10, 2013·3 cites·15 claims
- 3265US5326102AQuickly assembled knockdown football tableCHANG CHARLES·Filed 1993·Granted Jul 5, 1994·27 cites·1 claims
- 3364US6568090B2Cosmetic pencil sharpenerCHANG CHARLES·Filed 2001·Granted May 27, 2003·8 cites·6 claims
- 3463USD449410SCosmetic containerCHANG CHARLES·Filed 2000·Granted Oct 16, 2001·10 cites·1 claims
- 3562US6474345B2Cosmetic container with capCHANG CHARLES·Filed 2001·Granted Nov 5, 2002·10 cites·4 claims
- 3660US5884634AMascara container and dispenserCHANG CHARLES·Filed 1997·Granted Mar 23, 1999·23 cites·16 claims
- 3756US6409324B1Method and apparatus for supplying ink to an printheadIND TECH RES INST·Filed 2000·Granted Jun 25, 2002·6 cites·9 claims
- 3854US6644795B2Pressure control device for an inkjet penIND TECH RES INST·Filed 2002·Granted Nov 11, 2003·7 cites·38 claims
- 3954US5884636ACosmetic pot with internal hinged trayCHANG CHARLES·Filed 1997·Granted Mar 23, 1999·18 cites·18 claims
- 4054US2006109297A1Image alignment method and device for biochip-manufacturing apparatusIND TECH RES INST·Filed 2005·Application pending·0 cites
- 4153US6402286B1Function test device for optical print head heaters in thermal bubble printersIND TECH RES INST·Filed 2001·Granted Jun 11, 2002·5 cites·7 claims
- 4251US2007127974A1Liquid product applicatorCHANG CHARLES·Filed 2004·Application pending·0 cites
- 4351US2005013470A1Image alignment method and device for biochip-manufacturing apparatusIND TECH RES INST·Filed 2004·Application pending·0 cites
- 4450US5765574ASampler device for mascara and other cosmetic substancesCHANG CHARLES·Filed 1996·Granted Jun 16, 1998·16 cites·26 claims
- 4549USD474861SCosmetic containerCHANG CHARLES·Filed 2001·Granted May 20, 2003·5 cites·1 claims
- 4649US6478397B2Method of arranging orifices on a print head and the corresponding structureIND TECH RES INST·Filed 2001·Granted Nov 12, 2002·4 cites·10 claims
- 4749US2005241662A1Abraded spiral wound brushSHEFFLER ROBERT J·Filed 2004·Application pending·0 cites
- 4849US2006151501A1Beverage can with laminate on topCHANG CHARLES·Filed 2004·Application pending·0 cites
- 4948US6364474B1Pressure control deviceIND TECH RES INST·Filed 1999·Granted Apr 2, 2002·10 cites·28 claims
- 5048US5934497ASanitary beverage can lidFiled 1998·Granted Aug 10, 1999·19 cites·8 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →