Inventor · disambiguated record
Erkki J. Honkanen
Also filed as: HONKANEN ERKKI · HONKANEN ERKKI J · NORE PENTTI TAPIO
28 granted patents·713 citations·filing 1980–1999
97Inventor score
Top patents by PatentIndex Score
28 records- 0196US5446194APharmacologically active catechol derivativesORION YHTYMAE OY·Filed 1993·Granted Aug 29, 1995·108 cites·4 claims
- 0296US4963590APharmacologically active compounds, methods for the preparation thereof and compositions containing the sameORION YHTYMAE OY·Filed 1987·Granted Oct 16, 1990·156 cites·14 claims
- 0395US5283352APharmacologically active compounds, methods for the preparation thereof and compositions containing the sameORION YHTYMAE OY·Filed 1992·Granted Feb 1, 1994·60 cites·3 claims
- 0486US5135950AStable polymorphic form of (e)-n,n-diethyl-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)acrylamide and the process for its preparationORION YHTYMAE OY·Filed 1990·Granted Aug 4, 1992·72 cites·10 claims
- 0585US4599326AAcetyl erythromycin stearate, and compositions containing itORION YHTYMAE OY·Filed 1984·Granted Jul 8, 1986·29 cites·3 claims
- 0684US5151420ASubstituted pyridazinonesORION CORP ORION PHARMACEUTICA·Filed 1990·Granted Sep 29, 1992·38 cites·12 claims
- 0783US5569657A(-)-[[4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]-hydrazono]propanedinitrileORION YHTYMAE OY·Filed 1995·Granted Oct 29, 1996·48 cites·3 claims
- 0882US5112861AMethod of treating parkinson's disease using pentanedione derivativesORION YHTYMAE OY·Filed 1990·Granted May 12, 1992·48 cites·16 claims
- 0977US4299846ADihydroxy-acylanthrones having anti-psoriatic activityORION YHTYMAE OY·Filed 1980·Granted Nov 10, 1981·13 cites·6 claims
- 1074US5292771ASubstituted β-diketones and their useORION YHTYMAE OY·Filed 1992·Granted Mar 8, 1994·12 cites·12 claims
- 1171US5185370ASubstituted β-diketones and their useORION YHTYMAE OY·Filed 1991·Granted Feb 9, 1993·10 cites·9 claims
- 1265US5424428A(-)-[[4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]-hydrazono]prORION YHTYMAE OY·Filed 1992·Granted Jun 13, 1995·15 cites·9 claims
- 1363US5614541APharmacologically active catechol derivativesORION YHTYMAE OY·Filed 1994·Granted Mar 25, 1997·13 cites·15 claims
- 1460US5362733APharmacologically active catechol derivativesORION YHTYMAE OY·Filed 1991·Granted Nov 8, 1994·11 cites·13 claims
- 1559US6121303APharmacologically active catechol derivativesORION YHTYMAE OY·Filed 1999·Granted Sep 19, 2000·7 cites·11 claims
- 1656US4963677AHeterocyclic lactam compoundsORION YHTYMAE OY·Filed 1988·Granted Oct 16, 1990·5 cites·6 claims
- 1754US5019575ANovel pyridazinone compounds, compositions thereof and method of useORION YHTYMAE OY·Filed 1990·Granted May 28, 1991·9 cites·13 claims
- 1853US5512571A(-) 4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl!-hydra-zono!propanedinitrileORION YHTYMAE OY·Filed 1995·Granted Apr 30, 1996·8 cites·1 claims
- 1952US5889037APharmacologically active catechol derivativesORION YHTYMAE OY·Filed 1995·Granted Mar 30, 1999·8 cites·2 claims
- 2051US5185332AThiadiazines and pharmaceutical compositions thereof as well as method of useORION YHTYMAE OY·Filed 1991·Granted Feb 9, 1993·4 cites·11 claims
- 2145US5512572AAnti-ischemic medicamentORION YHTYMAE OY·Filed 1993·Granted Apr 30, 1996·12 cites·6 claims
- 2243US4353914AAntitussive anilidesORION YHTYMAE OY·Filed 1980·Granted Oct 12, 1982·5 cites·2 claims
- 2342US5122524ATriazinone compounds compositions thereof and metal of useORION YHTYMAE OY·Filed 1991·Granted Jun 16, 1992·4 cites·10 claims
- 2441US5288750ASubstituted β-diketonesORION YHTYMAE OY·Filed 1989·Granted Feb 22, 1994·8 cites·10 claims
- 2541US5001152AUse of catechol-O-methyl transferase (COMT) inhibitors and their physiologically acceptable salts for ulcer treatmentORION YHTYMAE OY·Filed 1988·Granted Mar 19, 1991·3 cites·22 claims
- 2640US5382699AMethod for the preparation of 3,4-dihydroxy-5-nitrobenzaldehydeORION YHTYMAE OY·Filed 1992·Granted Jan 17, 1995·2 cites·6 claims
- 2733US4271300AMethod for producing 6,7-dimethoxy-4-amino-2-[4-(2-furoyl)-1-piperazinyl] quORION YHTYMAE OY·Filed 1980·Granted Jun 2, 1981·5 cites·4 claims
- 2821US5356923A1-hydroxy-4(3-cyclopentyloxy-4-methoxyphenyl)-2-pyrrolidone and anti-hypertensive use thereofORION YHTYMAE OY·Filed 1991·Granted Oct 18, 1994·0 cites·4 claims
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