Inventor · disambiguated record
Hirosada Sugihara
Also filed as: SUGIHARA HIROSADA
31 granted patents·339 citations·filing 1972–1994
97Inventor score
Files withTAKEDA CHEMICAL INDUSTRIES LTD31
Top patents by PatentIndex Score
31 records- 0197US4997836ATrisubstituted piperazine compounds, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1989·Granted Mar 5, 1991·79 cites·32 claims
- 0290US4143042A1-azaxanthone-3-carboxylic acidsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1978·Granted Mar 6, 1979·21 cites·58 claims
- 0388US4937246APAF antagonist, 1,4-disubstituted piperazine compounds and production thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1988·Granted Jun 26, 1990·27 cites·14 claims
- 0487US4035512AAminotetralolsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1975·Granted Jul 12, 1977·19 cites·49 claims
- 0584US4299963A1-Azaxanthone derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1980·Granted Nov 10, 1981·16 cites·38 claims
- 0683US4548932A3-Amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepine derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1984·Granted Oct 22, 1985·21 cites·19 claims
- 0777US4880809A1,4-disubstituted piperazines (or homopiperazines) as platelet-activating factor antagonistsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1988·Granted Nov 14, 1989·13 cites·25 claims
- 0875US5294713A2-piperazinone compounds and their useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1992·Granted Mar 15, 1994·19 cites·25 claims
- 0974US4255576A1-Azaxanthone derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1978·Granted Mar 10, 1981·7 cites·23 claims
- 1073US4017517A2-(Trisubstituted benzoyl)-propionic acid and a method for the production thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1975·Granted Apr 12, 1977·9 cites·7 claims
- 1169US4871842APiperidine derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1988·Granted Oct 3, 1989·15 cites·10 claims
- 1265US4564612ACondensed, seven-membered ring compounds and their useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1984·Granted Jan 14, 1986·8 cites·9 claims
- 1362US4342779A7-Acetylspirobenzofuranone compoundTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1981·Granted Aug 3, 1982·4 cites·3 claims
- 1459US4736031A2-(piperazinylalkyl)-1-benzothiepin, 1-benzoxepin, and 1,5-benzodioxepin derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1986·Granted Apr 5, 1988·5 cites·15 claims
- 1559US4638000ACondensed seven-membered ring compounds, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1985·Granted Jan 20, 1987·5 cites·27 claims
- 1659US4284644ASpirobenzofuranone compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1980·Granted Aug 18, 1981·4 cites·30 claims
- 1757US4330554ASpirobenzofuranone compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1981·Granted May 18, 1982·3 cites·7 claims
- 1857US4010202A5,6-Dihydroxy aminotetralol compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1975·Granted Mar 1, 1977·11 cites·23 claims
- 1956US5550131A2-piperazinone compounds and their useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1994·Granted Aug 27, 1996·22 cites·7 claims
- 2054US4362740ASpiro compounds, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1980·Granted Dec 7, 1982·3 cites·12 claims
- 2154US3943169A3-(Trisubstituted benzoyl)-propionic acidTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1972·Granted Mar 9, 1976·9 cites·6 claims
- 2247US4591458A3-amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepine derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1985·Granted May 27, 1986·3 cites·4 claims
- 2343US4104402A5,6-Dihydroxy aminotetralol compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1976·Granted Aug 1, 1978·3 cites·15 claims
- 2442US4816466APiperidine derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1988·Granted Mar 28, 1989·3 cites·9 claims
- 2542US4751316A1,5-benzoxathiepin derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1987·Granted Jun 14, 1988·1 cites·20 claims
- 2642US4672064A1,5-benzoxathiepin derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1985·Granted Jun 9, 1987·1 cites·36 claims
- 2740US4739066AIntermediates for the preparation of condensed seven-membered ring compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1986·Granted Apr 19, 1988·1 cites·10 claims
- 2836US4029699A3,(2,4,5-Trisubstituted benzoyl)-propionic acid and the salts thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1975·Granted Jun 14, 1977·2 cites·2 claims
- 2935US4954625APiperidine derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1989·Granted Sep 4, 1990·2 cites·9 claims
- 3033US4558068ASpirobenzofuranones and their use in treating peptic ulcersTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1984·Granted Dec 10, 1985·0 cites·7 claims
- 3133US4041079ABicyclic compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1973·Granted Aug 9, 1977·3 cites·8 claims
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