Inventor · disambiguated record
David B. R. Johnston
Also filed as: ARTH GLEN E · JOHNSTON DAVID · JOHNSTON DAVID B · JOHNSTON DAVID B R
50 granted patents·8 pending applications·1,344 citations·filing 1969–2020
99Inventor score
Files withMERCK & CO INC36US AGRICULTURE9NORTHERN TIER GARDENS CORP3JAKKS PACIFIC INC2DANISCO US INC1
Top patents by PatentIndex Score
58 records- 0198US4377584A4-Aza-17β-substituted-5α-androstan-3-one-reductase inhibitorsMERCK & CO INC·Filed 1980·Granted Mar 22, 1983·251 cites·19 claims
- 0297US6899910B2Processes for recovery of corn germ and optionally corn coarse fiber (pericarp)UNIV ILLINOIS·Filed 2004·Granted May 31, 2005·98 cites·38 claims
- 0397US5057517APiperazinyl derivatives of purines and isosteres thereof as hypoglycemic agentsMERCK & CO INC·Filed 1989·Granted Oct 15, 1991·83 cites·36 claims
- 0496US4220775APreparation of 4-aza-17-substituted-5α-androstan-3-ones useful as 5α-reductase inhibitorsMERCK & CO INC·Filed 1979·Granted Sep 2, 1980·77 cites·2 claims
- 0595US5536716ASpiro piperidines and homologs which promote release of growth hormoneMERCK & CO INC·Filed 1993·Granted Jul 16, 1996·136 cites·19 claims
- 0695US4255423ACephalosporin compoundsMERCK & CO INC·Filed 1977·Granted Mar 10, 1981·38 cites·8 claims
- 0794US4191759AN-substituted-17β-carbamoylandrost-4-en-3-one 5α reductase inhibitorsMERCK & CO INC·Filed 1978·Granted Mar 4, 1980·53 cites·11 claims
- 0893US6566125B2Use of enzymes to reduce steep time and SO2 requirements in a maize wet-milling processUS AGRICULTURE·Filed 2001·Granted May 20, 2003·55 cites·22 claims
- 0992US4234596A3-(2-Aminoethylthio)-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acidMERCK & CO INC·Filed 1979·Granted Nov 18, 1980·26 cites·12 claims
- 1091US9434788B2Bio-based fiber gums (BFGs) and processes for producing BFGsUS AGRICULTURE·Filed 2013·Granted Sep 6, 2016·11 cites·21 claims
- 1191US5578593ASpiro piperidines and homologs promote release of growth hormoneMERCK & CO INC·Filed 1993·Granted Nov 26, 1996·89 cites·17 claims
- 1289US4442095AN-[(5-Halo-2,6-(substituted)pyrazinyl)methylene]amine antimicrobial compounds, compositions and useMERCK & CO INC·Filed 1982·Granted Apr 10, 1984·21 cites·14 claims
- 1389US4218463A3-Substituted thio-6-amido-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acidMERCK & CO INC·Filed 1977·Granted Aug 19, 1980·17 cites·3 claims
- 1484US5652235AMethod of using spiro piperidines to promote the release of growth hormoneMERCK & CO INC·Filed 1996·Granted Jul 29, 1997·67 cites·9 claims
- 1582US4517186A2-Amino-3,5-dicyano-6-(substituted)pyrazine antimicrobial compoundsMERCK & CO INC·Filed 1982·Granted May 14, 1985·13 cites·10 claims
- 1681US4442096A2-(Substituted)amino-3-cyano-5-halo-6-(substituted)-pyrazine antimicrobial compounds, compositions and useMERCK & CO INC·Filed 1982·Granted Apr 10, 1984·12 cites·14 claims
- 1777USD557357SWater gunJAKKS PACIFIIC INC·Filed 2006·Granted Dec 11, 2007·28 cites·1 claims
- 1877USD557356SWater gunJAKKS PACIFIC INC·Filed 2006·Granted Dec 11, 2007·24 cites·1 claims
- 1977US4997936A2-carbamimidoyl-6-substituted-1-carbadethiapen-2-em-3-carboxylic acidsMERCK & CO INC·Filed 1986·Granted Mar 5, 1991·12 cites·1 claims
- 2077US4348320ASubstituted azetidionesMERCK & CO INC·Filed 1980·Granted Sep 7, 1982·11 cites·6 claims
- 2177US4347368A3-Substituted-6-substituted-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acidMERCK & CO INC·Filed 1980·Granted Aug 31, 1982·10 cites·2 claims
- 2276US4518599A2-Amino-3-cyano-5-halo-6-(substituted)pyrazineMERCK & CO INC·Filed 1982·Granted May 21, 1985·9 cites·10 claims
- 2375US4224336A3-(2-Aminoethylthio)-6-amido-7-oxo-1-azabicyclo[3.2.0]-hept-2-ene-2-carboxylic acidMERCK & CO INC·Filed 1979·Granted Sep 23, 1980·9 cites·2 claims
- 2474US6063796ASomatostatin agonistsMERCK & CO INC·Filed 1998·Granted May 16, 2000·38 cites·13 claims
- 2573US4605517AMethod of preparing steroid compounds of controlled particle sizeSTERLING DRUG INC·Filed 1984·Granted Aug 12, 1986·23 cites·17 claims
- 2672US4347367A3-Substituted-6-(1'-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]-hept-2-ene-2-carboxylic acidMERCK & CO INC·Filed 1980·Granted Aug 31, 1982·8 cites·2 claims
- 2770USD558278SWater gunJAKKS PACIFIC INC·Filed 2006·Granted Dec 25, 2007·18 cites·1 claims
- 2870US4992542A2-substituted-6-carbadethiapen-2-em-3-carboxylic acidsMERCK & CO INC·Filed 1987·Granted Feb 12, 1991·9 cites·2 claims
- 2969US4296236A7-(or 6-) Substituted-7-(or 6-)acylimino cephalosporin (or penicillin) compoundsMERCK & CO INC·Filed 1975·Granted Oct 20, 1981·6 cites·7 claims
- 3069US4179453AProcess for preparing 17β-carboxy-5-androsten-3-onesMERCK & CO INC·Filed 1978·Granted Dec 18, 1979·7 cites·4 claims
- 3168US4512991A3-Acyl-2-amino-5-halo-6-(substituted)pyrazine antimicrobial compoundsMERCK & CO INC·Filed 1982·Granted Apr 23, 1985·6 cites·14 claims
- 3267US4277482A3-Substituted thio-6-amido-7-oxo-1-azabicyclo[3.2.0]-hept-2-ene-2-carboxylic acid s-oxidesMERCK & CO INC·Filed 1979·Granted Jul 7, 1981·5 cites·3 claims
- 3362US4390693ACephalosporin compoundsMERCK & CO INC·Filed 1980·Granted Jun 28, 1983·4 cites·4 claims
- 3461US10595551B2Insoluble biomass gel (IBG) and methods of preparingUS AGRICULTURE·Filed 2015·Granted Mar 24, 2020·0 cites·12 claims
- 3560US4507299AN-[2-amino-5-halo-6-(substituted)-3-pyrazinyl)-methylene]amine antimicrobial compoundsMERCK & CO INC·Filed 1982·Granted Mar 26, 1985·4 cites·14 claims
- 3659US2018148516A1Cellulosic Arabinoxylan fiber (CAF) and Methods of PreparingUS AGRICULTURE·Filed 2018·Application pending·0 cites
- 3758US2020163369A1Insoluble Biomass Gel (IBG) And Methods Of PreparingUS AGRICULTURE·Filed 2020·Application pending·0 cites
- 3857US11278041B2Processes of treating grainUS AGRICULTURE·Filed 2020·Granted Mar 22, 2022·0 cites·5 claims
- 3955US4481202A2-Amino-3-carboxylate-5-halo-6-(substituted)pyrazine antimicrobial compoundsMERCK & CO INC·Filed 1982·Granted Nov 6, 1984·3 cites·10 claims
- 4054US9777243B2Methods for obtaining corn oil from milled corn germUS AGRICULTURE·Filed 2015·Granted Oct 3, 2017·0 cites·18 claims
- 4154US5605008APlant shelterNORTHERN TIER GARDENS CORP·Filed 1995·Granted Feb 25, 1997·19 cites·12 claims
- 4253US5157040ASubstituted quinolines as angiotensin ii antagonistsMERCK & CO INC·Filed 1991·Granted Oct 20, 1992·9 cites·3 claims
- 4353US4281002A3-(2-Aminoethylthio)-6-amido-7-oxo-1-azabicyclo(3.2.0)-hept-2-ene-2-carboxylic acidMERCK & CO INC·Filed 1979·Granted Jul 28, 1981·2 cites·2 claims
- 4452US2015368372A1Cellulosic Arabinoxylan fiber (CAF) And Methods Of PreparingUS AGRICULTURE·Filed 2015·Application pending·0 cites
- 4551US4269873A2-, 5-, and 6-Substituted-1-carbadethiapen-2-em-3-carboxylic acidsMERCK & CO INC·Filed 1979·Granted May 26, 1981·3 cites·7 claims
- 4650US5389660ASubstituted imidazo-fused 5-membered ring heterocycles as angiotensin II antagonistsMERCK & CO INC·Filed 1992·Granted Feb 14, 1995·7 cites·8 claims
- 4750US2014273134A1Barley-Based Biorefinery ProcessDANISCO US INC·Filed 2014·Application pending·0 cites
- 4849US2017332663A1Processes of Treating GrainUS AGRICULTURE·Filed 2017·Application pending·0 cites
- 4948US5164407ASubstituted imidazo-fused 5-membered ring heterocycles and their use as angiotensin ii antagonsistsMERCK & CO INC·Filed 1990·Granted Nov 17, 1992·6 cites·4 claims
- 5044US4264621A5-Substituted-3-(2-aminoethylthio)-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acidMERCK & CO INC·Filed 1979·Granted Apr 28, 1981·1 cites·4 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →