Inventor · disambiguated record
Hsien C. Cheng
Also filed as: CHENG HSIEN · CHENG HSIEN C · CHENG HSIEN-CHANG
23 granted patents·313 citations·filing 1979–2000
95Inventor score
Files withMERRELL DOW PHARMA14MERRELL PHARMA INC6MERRELL DOW PHARMACEURICALS IN1RICHARDSON MERRELL INC1
Top patents by PatentIndex Score
23 records- 0193US5011846AMedicament compositions derived from quinolizine and quinolizinone and methods of use thereofMERRELL DOW PHARMA·Filed 1990·Granted Apr 30, 1991·67 cites·15 claims
- 0291US5371093APiperidinyl thiacyclic derivativesMERRELL DOW PHARMA·Filed 1994·Granted Dec 6, 1994·28 cites·8 claims
- 0391US4908372AAntihistaminic piperidinyl benzimidazolesMERRELL DOW PHARMA·Filed 1988·Granted Mar 13, 1990·61 cites·26 claims
- 0490US6344103B1Sublimation process of transferring a decal to surface of a watch caseFiled 2000·Granted Feb 5, 2002·31 cites·6 claims
- 0583US5380731AAntiallergic compoundsMERRELL DOW PHARMA·Filed 1993·Granted Jan 10, 1995·25 cites·44 claims
- 0681US4260626ATetrahydro and imidazoline antisecretory compoundsRICHARDSON MERRELL INC·Filed 1979·Granted Apr 7, 1981·18 cites·12 claims
- 0777US5436246ASerotonin receptor agentsMERRELL DOW PHARMA·Filed 1993·Granted Jul 25, 1995·36 cites·2 claims
- 0872US4990519AMethod of using quinolyloxazole-2-ones as proteinkinase C inhibitorsMERRELL DOW PHARMA·Filed 1990·Granted Feb 5, 1991·13 cites·2 claims
- 0956US5650416APiperidinyl thiacyclic derivativesMERRELL PHARMA INC·Filed 1995·Granted Jul 22, 1997·7 cites·8 claims
- 1056US5106845ACalcium antagonistsMERRELL DOW PHARMA·Filed 1990·Granted Apr 21, 1992·5 cites·1 claims
- 1148US5082837ALactamimides as calcium antagonistsMERRELL DOW PHARMA·Filed 1990·Granted Jan 21, 1992·12 cites·9 claims
- 1248US4886811AQunolyloxazole-2-ones useful as proteinkinase C inhibitorsMERRELL DOW PHARMA·Filed 1988·Granted Dec 12, 1989·4 cites·11 claims
- 1338US5631268APiperidinyl thiacyclic derivativesMERRELL PHARMA INC·Filed 1995·Granted May 20, 1997·1 cites·9 claims
- 1438US5476861APiperidinyl thiacyclic derivativesMERRELL DOW PHARMACEURICALS IN·Filed 1994·Granted Dec 19, 1995·2 cites·8 claims
- 1536US5739150APiperidinyl thiacyclic derivativesMERRELL PHARMA INC·Filed 1995·Granted Apr 14, 1998·0 cites·9 claims
- 1636US5602147APiperidinyl thiacyclic derivativesMERRELL PHARMA INC·Filed 1995·Granted Feb 11, 1997·0 cites·9 claims
- 1736US5596003APiperidinyl thiacyclic derivativesMERRELL PHARMA INC·Filed 1995·Granted Jan 21, 1997·0 cites·7 claims
- 1834US5198433ALactamimides as calcium antagonistsMERRELL DOW PHARMA·Filed 1992·Granted Mar 30, 1993·3 cites·6 claims
- 1933US5541200APiperidinyl thiacyclic derivativesMERRELL PHARMA INC·Filed 1995·Granted Jul 30, 1996·0 cites·8 claims
- 2031US5010072ALactamimides as calcium antagonistsMERRELL DOW PHARMA·Filed 1988·Granted Apr 23, 1991·0 cites·5 claims
- 2131US4999431AProcess for preparing quinoline aldehyde and ketone derivativesMERRELL DOW PHARMA·Filed 1990·Granted Mar 12, 1991·0 cites·1 claims
- 2230US5158945ALactamimides as calcium antagonistsMERRELL DOW PHARMA·Filed 1992·Granted Oct 27, 1992·0 cites·4 claims
- 2330US5128337ALactamimides as calcium antagonistsMERRELL DOW PHARMA·Filed 1991·Granted Jul 7, 1992·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →