Inventor · disambiguated record
Robert W. H. Chang
Also filed as: CHANG ROBERT · CHANG ROBERT W · CHANG ROBERT W H · CHANG ROBERT WU-LIN
24 granted patents·1,358 citations·filing 1975–2009
97Inventor score
Top patents by PatentIndex Score
24 records- 0199US4462224AInstant hot or cold, reusable cold packMINNESOTA MINING & MFG·Filed 1983·Granted Jul 31, 1984·258 cites·20 claims
- 0291US4769022ACleansing padMINNESOTA MINING & MFG·Filed 1986·Granted Sep 6, 1988·63 cites·15 claims
- 0390US4876136ALipstick sampling deviceMINNESOTA MINING & MFG·Filed 1987·Granted Oct 24, 1989·64 cites·19 claims
- 0488US4164563ANon-greasy compositionsMINNESOTA MINING & MFG·Filed 1975·Granted Aug 14, 1979·69 cites·17 claims
- 0584US5013473AEncapsulated cosmetic materials and process of makingMINNESOTA MINING & MFG·Filed 1988·Granted May 7, 1991·67 cites·23 claims
- 0684US4304766ACompositions for reducing elution of therapeutic agents from teethMINNESOTA MINING & MFG·Filed 1980·Granted Dec 8, 1981·57 cites·12 claims
- 0781US5294438ALubricating and moisturizing shaving preparationsMINNESOTA MINING & MFG·Filed 1992·Granted Mar 15, 1994·59 cites·18 claims
- 0881US5108436AImplant fixationCOLLAGEN CORP·Filed 1988·Granted Apr 28, 1992·107 cites·9 claims
- 0981US4912767ADistributed noise cancellation systemIBM·Filed 1988·Granted Mar 27, 1990·79 cites·7 claims
- 1081US4485090AComposition and method for reducing elution of therapeutic agents from teethMINNESOTA MINING & MFG·Filed 1982·Granted Nov 27, 1984·47 cites·6 claims
- 1180US4976961AEncapsulated cosmetic materials and process of makingMINNESOTA MINING & MFG·Filed 1986·Granted Dec 11, 1990·59 cites·22 claims
- 1278US7987472B2Computerized network administration of remote computer resourcesGLOBAL 360 INC·Filed 2009·Granted Jul 26, 2011·10 cites·5 claims
- 1378US4243658ACompositions and methods for reducing elution of therapeutic agents from teethMINNESOTA MINING & MFG·Filed 1979·Granted Jan 6, 1981·30 cites·6 claims
- 1474US5207710AMethod for improving implant fixationCOLLAGEN CORP·Filed 1992·Granted May 4, 1993·130 cites·12 claims
- 1571US4755433ACover film on lipstick samplerMINNESOTA MINING & MFG·Filed 1986·Granted Jul 5, 1988·25 cites·22 claims
- 1669US7610588B1Distributed application management softwareGLOBAL 360 INC·Filed 2000·Granted Oct 27, 2009·19 cites·5 claims
- 1768US4510127ACompositions and method for reducing elution of therapeutic agents from teethMINNESOTA MINING & MFG·Filed 1982·Granted Apr 9, 1985·26 cites·6 claims
- 1868US4011511AFrequency-shift digital data link and digital frequency detection systemSINGER CO·Filed 1976·Granted Mar 8, 1977·19 cites·15 claims
- 1967US5258029AMethod for improving implant fixationCOLLAGEN CORP·Filed 1990·Granted Nov 2, 1993·91 cites·8 claims
- 2063US4428930ACompositions and method for reducing elution of therapeutic agents from teethMINNESOTA MINING & MFG·Filed 1982·Granted Jan 31, 1984·21 cites·2 claims
- 2158US4170636AComposition and method for inhibiting plaque formationMINNESOTA MINING & MFG·Filed 1977·Granted Oct 9, 1979·12 cites·16 claims
- 2257US4470964AComposition and method for reducing elution of therapeutic agents from teethMINNESOTA MINING & MFG·Filed 1982·Granted Sep 11, 1984·16 cites·7 claims
- 2357US4366146ACompositions and method for reducing elution of therapeutic agents from teethMINNESOTA MINING & MFG·Filed 1981·Granted Dec 28, 1982·16 cites·12 claims
- 2443US5307466ADistributed programmable priority arbitrationIBM·Filed 1992·Granted Apr 26, 1994·14 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →