Inventor · disambiguated record
An-Chih Chang
Also filed as: CHANG AN · CHANG AN-CHIH
25 granted patents·1 pending application·702 citations·filing 1995–2017
97Inventor score
Top patents by PatentIndex Score
26 records- 0195US5804595AKappa opioid receptor agonistsUNIV MINNESOTA·Filed 1995·Granted Sep 8, 1998·81 cites·33 claims
- 0293US5646151AKappa agonist compounds and pharmaceutical formulations thereofADOLOR CORP·Filed 1996·Granted Jul 8, 1997·99 cites·10 claims
- 0392US5688955AKappa agonist compounds and pharmaceutical formulations thereofADOLOR CORP·Filed 1997·Granted Nov 18, 1997·66 cites·15 claims
- 0490US6156769AKappa agonist anti-pruritic pharmaceutical formulations and method of treating pruritus therewithADOLOR CORP·Filed 2000·Granted Dec 5, 2000·37 cites·20 claims
- 0588US6057323AKappa agonist compounds pharmaceutical formulations and method of prevention and treatment of pruritus therewithADOLOR CORP·Filed 1998·Granted May 2, 2000·38 cites·2 claims
- 0687US5763445AKappa agonist compounds pharmaceutical formulations and method of prevention and treatment of pruritus therewithADOLOR CORP·Filed 1997·Granted Jun 9, 1998·49 cites·3 claims
- 0780US5981513AKappa agonist compounds, pharmaceutical formulations and method of prevention and treatment of pruritus therewithADOLOR CORP·Filed 1998·Granted Nov 9, 1999·30 cites·6 claims
- 0879US5744458AKappa agonist compounds and pharmaceutical formulations thereofADOLOR CORP·Filed 1997·Granted Apr 28, 1998·36 cites·15 claims
- 0977US6303611B1Kappa agonist compounds and pharmaceutical formulations thereofADOLOR CORP·Filed 1998·Granted Oct 16, 2001·38 cites·5 claims
- 1076US5760023AKappa agonist anti-pruritic pharmaceutical formulations and method of treating pruritus therewithADOLOR CORP·Filed 1997·Granted Jun 2, 1998·42 cites·10 claims
- 1172US6391910B1Kappa agonist compounds and pharmaceutical formulations thereofADOLOR CORP·Filed 2000·Granted May 21, 2002·5 cites·5 claims
- 1271US6048860AKappa agonist anti-pruritic pharmaceutical formulations and method of treating pruritus therewithADOLOR CORP·Filed 1999·Granted Apr 11, 2000·24 cites·10 claims
- 1371US5869521AKappa agonist anti-pruritic pharmaceutical formulations and method of treating pruritus therewithADOLOR CORP·Filed 1998·Granted Feb 9, 1999·33 cites·7 claims
- 1468US6028063AKappa agonist compounds, pharmaceutical formulations and method of prevention and treatment of pruritus therewithADOLOR CORP·Filed 1999·Granted Feb 22, 2000·15 cites·3 claims
- 1567US7294647B2Kappa agonist compounds and pharmaceutical formulations thereofADOLOR CORP·Filed 2003·Granted Nov 13, 2007·1 cites·4 claims
- 1667US6180623B1Kappa agonist compounds, pharmaceutical formulations and method of prevention and treatment of pruritus therewithADOLOR CORP·Filed 1999·Granted Jan 30, 2001·14 cites·8 claims
- 1766US5798093ASpray formulations of antihyperalgesic opiates and method of treating topical hyperalgesic conditions and pruritus therewithADOLOR CORP·Filed 1997·Granted Aug 25, 1998·23 cites·2 claims
- 1863US6004964AKappa agonist anti-pruritic pharmaceutical formulaitons and method of treating pruritus therewithADOLOR CORP·Filed 1998·Granted Dec 21, 1999·16 cites·10 claims
- 1962US6054445AKappa agonist compounds pharmaceutical formulations and method of prevention and treatment of pruritis therewithADOLOR CORP·Filed 1999·Granted Apr 25, 2000·20 cites·1 claims
- 2059USRE38133EKappa agonist compounds and pharmaceutical formulations thereofADOLOR CORP·Filed 2002·Granted Jun 3, 2003·1 cites·15 claims
- 2158US5945443AKappa agonist compounds and pharmaceutical formulations thereofADOLOR CORP·Filed 1998·Granted Aug 31, 1999·14 cites·15 claims
- 2258US5811078ASpray formulations of antihyperalgesic opiates and method of treating topical hyperalgesic conditions therewithADOLOR CORP·Filed 1997·Granted Sep 22, 1998·20 cites·16 claims
- 2357US6960612B2Kappa agonist compounds, pharmaceutical formulations and method of prevention and treatment of pruritus therewithADOLOR CORP·Filed 2003·Granted Nov 1, 2005·0 cites·4 claims
- 2452US2002042399A1Kappa agonist compounds, pharmaceutical formulations and method of prevention and treatment of pruritus therewithADOLOR CORP·Filed 2001·Application pending·0 cites
- 2548US11428618B2Systems and methods for monitoring air particulate matterMASSACHUSETTS INST TECHNOLOGY·Filed 2017·Granted Aug 30, 2022·0 cites·19 claims
- 2638US8092669B2System and method of examining trace organic matters in living being's urineCHANG AN-CHIH·Filed 2005·Granted Jan 10, 2012·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →