Inventor · disambiguated record
Roy A. Johnson
Also filed as: JOHNSON ROY · JOHNSON ROY A
97 granted patents·4 pending applications·752 citations·filing 1973–2021
99Inventor score
Top patents by PatentIndex Score
101 records- 0198US4123441AEnlarged-hetero-ring prostacyclin analogsUPJOHN CO·Filed 1977·Granted Oct 31, 1978·70 cites·22 claims
- 0296US4490537AEnlarged-hetero-ring prostacyclin analogsUPJOHN CO·Filed 1979·Granted Dec 25, 1984·47 cites·76 claims
- 0395US4917826ACyclic hydrocarbons with an aminoalkyl sidechainUPJOHN CO·Filed 1986·Granted Apr 17, 1990·41 cites·3 claims
- 0494US4499293APGI2 SaltsUPJOHN CO·Filed 1977·Granted Feb 12, 1985·30 cites·1 claims
- 0593US5556878AΔ6,7 -taxols antineoplatic use and pharmaceutical compositions containing themUPJOHN CO·Filed 1994·Granted Sep 17, 1996·59 cites·17 claims
- 0690US9290850B2Corrosion inhibiting methodsERICKSON DONOVAN L·Filed 2013·Granted Mar 22, 2016·17 cites·27 claims
- 0784US8039244B2Reducing insoluble deposit formation in ethanol productionGLOBAL PROCESS TECHNOLOGIES INC·Filed 2007·Granted Oct 18, 2011·6 cites·21 claims
- 0883US5580640AIntegrated label having controlled releaseWARD KRAFT INC·Filed 1994·Granted Dec 3, 1996·56 cites·10 claims
- 0982US6602879B2Pyrrole-type compounds, compositions, and methods for treating cancer or viral diseasesGEMIN X BIOTECHNOLOGIES INC·Filed 2002·Granted Aug 5, 2003·17 cites·88 claims
- 1081US4452986AImidazolyl-substituted benzofuransUPJOHN CO·Filed 1982·Granted Jun 5, 1984·13 cites·7 claims
- 1181US4447607ADibenzo diazacinesUPJOHN CO·Filed 1982·Granted May 8, 1984·12 cites·7 claims
- 1280US9657398B2Corrosion inhibiting compositionsU S WATER SERVICES INC·Filed 2015·Granted May 23, 2017·2 cites·23 claims
- 1380US8415137B2Preventing phytate salt deposition in polar solvent systemsJOHNSON ROY·Filed 2011·Granted Apr 9, 2013·2 cites·13 claims
- 1479US5347029ADialkyl (dialkoxyphosphinyl)methyl phosphates as anti-inflammatory agentsUPJOHN CO·Filed 1993·Granted Sep 13, 1994·20 cites·15 claims
- 1579US4495357APyridyl-substituted-benzofuransUPJOHN CO·Filed 1982·Granted Jan 22, 1985·14 cites·33 claims
- 1677US4455427APyridyl-substituted-benzofuransUPJOHN CO·Filed 1982·Granted Jun 19, 1984·10 cites·10 claims
- 1774US10954535B2Reducing insoluble deposit formation in ethanol productionU S WATER SERVICES INC·Filed 2018·Granted Mar 23, 2021·0 cites·20 claims
- 1874US6407244B1Pyrrole-type compounds, compositions, and methods for treating cancer or viral diseasesGEMIN X BIOTECHNOLOGIES INC·Filed 2000·Granted Jun 18, 2002·12 cites·109 claims
- 1974US4490549AEnlarged-hetero-ring prostacyclin analogsUPJOHN CO·Filed 1979·Granted Dec 25, 1984·9 cites·67 claims
- 2073US11040511B2Folding apparatus for folding sheet packaging elementsTETRA LAVAL HOLDINGS & FINANCE·Filed 2016·Granted Jun 22, 2021·2 cites·15 claims
- 2173US4262116AEnlarged hetero-ring prostacyclin analogsUPJOHN CO·Filed 1978·Granted Apr 14, 1981·7 cites·13 claims
- 2272US11788106B2Reducing insoluble deposit formation in ethanol productionKURITA AMERICA INC·Filed 2021·Granted Oct 17, 2023·0 cites·17 claims
- 2372US7491745B2Pyrrole-Type compounds, compositions and methods for treating cancer or viral diseaseGEMIN X PHARMACEUTICALS CANADA·Filed 2006·Granted Feb 17, 2009·1 cites·6 claims
- 2471US5373095ASteroid compoundsUPJOHN CO·Filed 1993·Granted Dec 13, 1994·21 cites·2 claims
- 2571US4490548AEnlarged-hetero-ring prostacyclin analogsUPJOHN CO·Filed 1979·Granted Dec 25, 1984·8 cites·67 claims
- 2668US5405475AMethod and apparatus for continuous manufacture of printed laminated stock from uncoated webWARD KRAFT·Filed 1993·Granted Apr 11, 1995·41 cites·14 claims
- 2768US4490531APyridyl-substituted-benzofuransUPJOHN CO·Filed 1982·Granted Dec 25, 1984·6 cites·7 claims
- 2868US2015240274A1Reducing insoluble deposit formation in ethanol productionU S WATER SERVICES INC·Filed 2014·Application pending·0 cites
- 2967US5621123ACyclic hydrocarbons with an aminoalkyl sidechainUPJOHN CO·Filed 1994·Granted Apr 15, 1997·15 cites·4 claims
- 3066US6911549B1Method of preparing a taxol derivativeFiled 1993·Granted Jun 28, 2005·11 cites·1 claims
- 3166US2017137851A1Reducing insoluble deposit formation in ethanol productionU S WATER SERVICES INC·Filed 2016·Application pending·0 cites
- 3265US7144912B2Pyrrole-type compounds, compositions, and methods for treating cancer, treating viral diseases and causing immunosuppressionGEMIN X BIOTECHNOLOGIES INC·Filed 2002·Granted Dec 5, 2006·2 cites·28 claims
- 3365US2014093898A1Reducing insoluble deposit formation in ethanol productionU S WATER SERVICES INC·Filed 2013·Application pending·0 cites
- 3464US5500417AArylmethylphosphonates and phosphonic acids useful as anti-inflammatory agentsUPJOHN CO·Filed 1995·Granted Mar 19, 1996·17 cites·15 claims
- 3563US5360797ABisphosphonic acid derivatives useful as anti-arthritic agentsUPJOHN CO·Filed 1993·Granted Nov 1, 1994·14 cites·9 claims
- 3662US8609399B2Reducing insoluble deposit formation in ethanol productionJOHNSON ROY·Filed 2012·Granted Dec 17, 2013·0 cites·35 claims
- 3762US4597247AMethod and apparatus for applying controlled heat to a group of articles disposed within a shrink film wrapperMEAD CORP·Filed 1985·Granted Jul 1, 1986·18 cites·11 claims
- 3862US4009283AAntiinflammatory and antithrombotic compositions and method of useUPJOHN CO·Filed 1976·Granted Feb 22, 1977·6 cites·12 claims
- 3961US4338325APGI2 Pharmacologically acceptable saltsUPJOHN CO·Filed 1980·Granted Jul 6, 1982·4 cites·6 claims
- 4060US4691606AWeb perforating apparatusMEAD CORP·Filed 1986·Granted Sep 8, 1987·17 cites·9 claims
- 4159US5298498APhosphonic acid derivatives useful as anti-inflammatory agentsUPJOHN CO·Filed 1993·Granted Mar 29, 1994·11 cites·4 claims
- 4257US4735787AScale inhibitor for intermittent washed mist eliminators in flue gas desulfurization systemsNALCO CHEMICAL CO·Filed 1987·Granted Apr 5, 1988·16 cites·9 claims
- 4356US4110532A5-Hydroxy-PGI1 compoundsUPJOHN CO·Filed 1977·Granted Aug 29, 1978·3 cites·52 claims
- 4452US5593980AArylmethylphosphonates and phosphonic acids useful as anti-inflammatory agentsUPJOHN CO·Filed 1995·Granted Jan 14, 1997·8 cites·5 claims
- 4552US4767865A3'-pyridinylalkylinden- and 3'-pyridinylalkylindol-2-carboxylic acids and analogsUPJOHN CO·Filed 1986·Granted Aug 30, 1988·3 cites·7 claims
- 4651US12269059B2Silicone compositions and methods related theretoNUSIL TECH LLC·Filed 2020·Granted Apr 8, 2025·0 cites·21 claims
- 4751US4241205A9-Deoxy-5,9α-epoxy-4,5-cis-17,18-tetradehydro-PGF1, amidesUPJOHN CO·Filed 1979·Granted Dec 23, 1980·2 cites·16 claims
- 4851US4161587A5-Hydroxy-PGI1 hexamethyliminoamidesUPJOHN CO·Filed 1978·Granted Jul 17, 1979·1 cites·47 claims
- 4951US4161585A5-Hydroxy-PGI1, 3,4-didehydropiperidylamidesUPJOHN CO·Filed 1978·Granted Jul 17, 1979·1 cites·47 claims
- 5047US4150222A(5E)-9-Deoxy-6,9-epoxy-prostaglandin derivativesUPJOHN CO·Filed 1978·Granted Apr 17, 1979·3 cites·18 claims
Showing the top 50 of 101 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →