Inventor · disambiguated record
Hua-Pin Huang
Also filed as: HUANG HUA · HUANG HUA-PIN
52 granted patents·13 pending applications·3,750 citations·filing 1989–2021
99Inventor score
Top patents by PatentIndex Score
65 records- 0199US9526724B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Dec 27, 2016·56 cites·30 claims
- 0299US9205056B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Dec 8, 2015·21 cites·30 claims
- 0399US9205055B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Dec 8, 2015·21 cites·20 claims
- 0499US9198863B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Dec 1, 2015·21 cites·30 claims
- 0599US9056052B1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Jun 16, 2015·24 cites·30 claims
- 0699US9023401B1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2014·Granted May 5, 2015·25 cites·30 claims
- 0799US8951555B1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2014·Granted Feb 10, 2015·24 cites·28 claims
- 0899US8715721B2Controlled release hydrocodonePURDUE PHARMA LP·Filed 2013·Granted May 6, 2014·34 cites·34 claims
- 0999US8647667B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2013·Granted Feb 11, 2014·81 cites·38 claims
- 1099US8551520B2Controlled release hydrocodonePURDUE PHARMA LP·Filed 2012·Granted Oct 8, 2013·68 cites·19 claims
- 1199US8361499B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2012·Granted Jan 29, 2013·54 cites·30 claims
- 1299US8231898B2Controlled release hydrocodone formulationsOSHLACK BENJAMIN·Filed 2010·Granted Jul 31, 2012·60 cites·20 claims
- 1399US8142811B2Controlled release hydrocodone formulationsOSHLACK BENJAMIN·Filed 2009·Granted Mar 27, 2012·74 cites·30 claims
- 1499US7514100B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2003·Granted Apr 7, 2009·129 cites·42 claims
- 1599US6733783B2Controlled release hydrocodone formulationsEURO CELTIQUE SA·Filed 2001·Granted May 11, 2004·396 cites·40 claims
- 1699US6706281B2Melt-extrusion multiparticulatesEURO CELTIQUE SA·Filed 2002·Granted Mar 16, 2004·191 cites·39 claims
- 1799US6335033B2Melt-extrusion multiparticulatesEURO CELTIQUE SA·Filed 1999·Granted Jan 1, 2002·280 cites·43 claims
- 1899US5965161AExtruded multi-particulatesEURO CELTIQUE SA·Filed 1994·Granted Oct 12, 1999·471 cites·66 claims
- 1999US5958452AExtruded orally administrable opioid formulationsEURO CELTIQUE SA·Filed 1997·Granted Sep 28, 1999·519 cites·69 claims
- 2098US9289391B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Mar 22, 2016·16 cites·30 claims
- 2198US9060940B2Controlled release hydrocodonePURDUE PHARMA LP·Filed 2014·Granted Jun 23, 2015·19 cites·20 claims
- 2298US7943174B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2004·Granted May 17, 2011·145 cites·29 claims
- 2398US6743442B2Melt-extruded orally administrable opioid formulationsEURO CELTIQUE SA·Filed 2001·Granted Jun 1, 2004·181 cites·34 claims
- 2498US6261599B1Melt-extruded orally administrable opioid formulationsEURO CELTIQUE SA·Filed 1999·Granted Jul 17, 2001·394 cites·27 claims
- 2597US6306438B1Stabilized sustained release tramadol formulationsEURO CELTIQUE SA·Filed 1998·Granted Oct 23, 2001·207 cites·38 claims
- 2695US9517236B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Dec 13, 2016·4 cites·30 claims
- 2795US9504681B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Nov 29, 2016·4 cites·30 claims
- 2895US9056107B1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Jun 16, 2015·12 cites·30 claims
- 2995US8980291B2Controlled release hydrocodone formulationsOSHLACK BENJAMIN·Filed 2010·Granted Mar 17, 2015·19 cites·36 claims
- 3093US7510727B2Melt-extrusion multiparticulatesPURDUE PHARMA LP·Filed 2003·Granted Mar 31, 2009·24 cites·29 claims
- 3193US6645527B2Stabilized sustained release tramadol formulationsEURO CELTIQUE SA·Filed 2001·Granted Nov 11, 2003·39 cites·43 claims
- 3291US8975273B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2014·Granted Mar 10, 2015·7 cites·24 claims
- 3390US9320717B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Apr 26, 2016·5 cites·13 claims
- 3490US9278074B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Mar 8, 2016·5 cites·33 claims
- 3588US9669022B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Jun 6, 2017·3 cites·29 claims
- 3679US2018353502A1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2018·Application pending·0 cites
- 3777US10179130B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2013·Granted Jan 15, 2019·1 cites·4 claims
- 3877US5362860ANeutral stabilization complex for CI-979 HCl, a cognition activatorWARNER LAMBERT CO·Filed 1993·Granted Nov 8, 1994·36 cites·12 claims
- 3975US9682077B2Methods of providing analgesiaPURDUE PHARMA LP·Filed 2016·Granted Jun 20, 2017·0 cites·27 claims
- 4075US9669023B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Jun 6, 2017·0 cites·28 claims
- 4173US9572805B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Feb 21, 2017·0 cites·30 claims
- 4273US9572804B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Feb 21, 2017·0 cites·30 claims
- 4372US9579286B2Tamper resistant dosage form comprising co-extruded, sequestered adverse agent particles and process of making sameOSHLACK BENJAMIN·Filed 2004·Granted Feb 28, 2017·2 cites·16 claims
- 4471US10022368B2Methods of manufacturing oral formulationsPURDUE PHARMA LP·Filed 2016·Granted Jul 17, 2018·0 cites·40 claims
- 4571US9149436B2Pharmaceutical product comprising a sequestered agentOSHLACK BENJAMIN·Filed 2004·Granted Oct 6, 2015·7 cites·121 claims
- 4671US5032405AOral pharmaceutical composition for acid sensitive proteinaceous agentsWARNER LAMBERT CO·Filed 1989·Granted Jul 16, 1991·37 cites·11 claims
- 4771US2019022086A1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2018·Application pending·0 cites
- 4868US10076516B2Methods of manufacturing oral dosage formsPURDUE PHARMA LP·Filed 2016·Granted Sep 18, 2018·0 cites·32 claims
- 4968US9675611B1Methods of providing analgesiaPURDUE PHARMA LP·Filed 2016·Granted Jun 13, 2017·0 cites·32 claims
- 5068US9669024B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Jun 6, 2017·0 cites·32 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →