Inventor · disambiguated record
Ken K. Chang
Also filed as: CHANG KEN K · CHANG KEN KAI-FU
14 granted patents·1 pending application·241 citations·filing 1990–2006
94Inventor score
Top patents by PatentIndex Score
15 records- 0190US6291550B1Solventless polyurethane no-brake foundry binderASHLAND INC·Filed 2000·Granted Sep 18, 2001·24 cites·7 claims
- 0289US5424376AEster cured no-bake foundry binder systemASHLAND INC·Filed 1993·Granted Jun 13, 1995·48 cites·3 claims
- 0388US6559203B2Foundry binder systems containing an alkyl resorcinol and their useASHLAND INC·Filed 2002·Granted May 6, 2003·24 cites·16 claims
- 0484US6391942B1Furan no-bake foundry binders and their useASHLAND INC·Filed 2000·Granted May 21, 2002·22 cites·22 claims
- 0578US6479567B1Furan no-bake foundry binders and their useASHLAND INC·Filed 2000·Granted Nov 12, 2002·10 cites·8 claims
- 0676US7125914B2Heat-cured furan binder systemASHLAND LICENSING & INTELLECTU·Filed 2003·Granted Oct 24, 2006·9 cites·7 claims
- 0771US5516859APolyurethane-forming no-bake foundry binder systemsASHLAND INC·Filed 1993·Granted May 14, 1996·17 cites·20 claims
- 0864US5856375AUse of bisphenol a tar in furan no-bake foundry bindersASHLAND INC·Filed 1996·Granted Jan 5, 1999·26 cites·11 claims
- 0956US5254642AThermoplastic polyester low profile additives for vinyl ester/polyester resinous compositionsASHLAND OIL INC·Filed 1992·Granted Oct 19, 1993·13 cites·20 claims
- 1056US5116917AThermoplastic polyester low profile additives for vinyl ester resinous compositionsASHLAND OIL INC·Filed 1990·Granted May 26, 1992·13 cites·20 claims
- 1155US6593397B2Furan no-bake foundry binders and their useASHLAND INC·Filed 2002·Granted Jul 15, 2003·2 cites·11 claims
- 1254US6017978APolyurethane forming no-bake foundry bindersASHLAND INC·Filed 1998·Granted Jan 25, 2000·17 cites·16 claims
- 1342US5612392AHeat cured foundry binder systems and their usesASHLAND INC·Filed 1995·Granted Mar 18, 1997·11 cites·4 claims
- 1437US6063833ASolventless polyurethane no-bake foundry binderASHLAND INC·Filed 1999·Granted May 16, 2000·5 cites·8 claims
- 1537US2006286694A1Method for fabricating LEDUNIT LIGHT TECHNOLOGY INC·Filed 2006·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →