Inventor · disambiguated record
Shigeharu Tamada
Also filed as: TAMADA SHIGEHARU
14 granted patents·401 citations·filing 1974–1992
94Inventor score
Files withOTSUKA PHARMA CO LTD14
Top patents by PatentIndex Score
14 records- 0198US4026897A5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-hydroxycarbostyril derivativesOTSUKA PHARMA CO LTD·Filed 1974·Granted May 31, 1977·69 cites·8 claims
- 0298US4022776A5-[1-Hydroxy-2-(substituted-amino)]ethyl-8-hydroxycarbostyril derivativesOTSUKA PHARMA CO LTD·Filed 1974·Granted May 10, 1977·67 cites·11 claims
- 0392US4145542A5- 1-Hydroxy-2-(heterocyclic-amino)!alkyl-8-hydroxy-3,4-dihydrocarbostyril derivativesOTSUKA PHARMA CO LTD·Filed 1976·Granted Mar 20, 1979·25 cites·3 claims
- 0492US3975391A5-[1-Hydroxy-2-(substituted-amino)]ethyl-8-hydroxy-3,4-dihydrocarbostyril derivativesOTSUKA PHARMA CO LTD·Filed 1974·Granted Aug 17, 1976·27 cites·6 claims
- 0591US4564619ACarbostyril derivativeOTSUKA PHARMA CO LTD·Filed 1983·Granted Jan 14, 1986·26 cites·26 claims
- 0689US3994901A5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-hydroxy-3,4-dihydrocarbostyril derivativesOTSUKA PHARMA CO LTD·Filed 1974·Granted Nov 30, 1976·19 cites·11 claims
- 0787US4886809ACarbostyril derivatives and salts thereofOTSUKA PHARMA CO LTD·Filed 1987·Granted Dec 12, 1989·20 cites·8 claims
- 0887US4068076A5-(1-Hydroxy-2-(heterocyclic amino))ethyl-8-hydroxy-3,4-dihydrocarbostyril derivativesOTSUKA PHARMA CO LTD·Filed 1976·Granted Jan 10, 1978·16 cites·4 claims
- 0986US5238938AIndole derivativesOTSUKA PHARMA CO LTD·Filed 1992·Granted Aug 24, 1993·51 cites·51 claims
- 1086US4223137ACarbostyril derivatives and process for preparing the sameOTSUKA PHARMA CO LTD·Filed 1978·Granted Sep 16, 1980·32 cites·6 claims
- 1177US5137889ADihydropyridine derivatives and process for preparing the sameOTSUKA PHARMA CO LTD·Filed 1991·Granted Aug 11, 1992·16 cites·85 claims
- 1275US5034395ANovel dihydropyridine derivativesOTSUKA PHARMA CO LTD·Filed 1987·Granted Jul 23, 1991·20 cites·7 claims
- 1365US5071856ACarbostyril derivatives and salts thereofOTSUKA PHARMA CO LTD·Filed 1989·Granted Dec 10, 1991·5 cites·6 claims
- 1450US5306719ACarbostyril derivatives and salts thereofOTSUKA PHARMA CO LTD·Filed 1991·Granted Apr 26, 1994·8 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →