Inventor · disambiguated record
Takehiko Naka
Also filed as: NAKA TAKEHIKO
34 granted patents·1,238 citations·filing 1987–2006
98Inventor score
Top patents by PatentIndex Score
34 records- 0197US5196444A1-(cyclohexyloxycarbonyloxy)ethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]benzimidazole-7-carboxylate and compositions and methods of pharmaceutical use thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1991·Granted Mar 23, 1993·175 cites·9 claims
- 0295US5705517ABenzimidazole derivatives and use thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1993·Granted Jan 6, 1998·103 cites·28 claims
- 0394US5389641AFused heterocyclic compounds, having angiotensin II antagonistic activityTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1993·Granted Feb 14, 1995·67 cites·14 claims
- 0494US5250554ABenzimidazole derivatives useful as angiotensin II inhibitorsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1992·Granted Oct 5, 1993·58 cites·12 claims
- 0594US5243054ACompound which is angiotensin ii antagonistTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1992·Granted Sep 7, 1993·79 cites·1 claims
- 0694US5162326APyrimidinedione derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1991·Granted Nov 10, 1992·65 cites·23 claims
- 0793US5703110ABenzimidazole derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1996·Granted Dec 30, 1997·51 cites·3 claims
- 0893US5183899APyrazole derivativeTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1990·Granted Feb 2, 1993·49 cites·1 claims
- 0991US5583141AHeterocyclic compounds and their use as angiotensin antagonistsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1994·Granted Dec 10, 1996·57 cites·32 claims
- 1087US5128356ABenzimidazole derivatives and their useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1990·Granted Jul 7, 1992·58 cites·8 claims
- 1186US6608210B2Benzimidazole derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 2002·Granted Aug 19, 2003·15 cites·27 claims
- 1286US6355808B2Benzimidazole compounds, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 2001·Granted Mar 12, 2002·15 cites·21 claims
- 1386US5284661AFused thiophene derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1993·Granted Feb 8, 1994·33 cites·13 claims
- 1485US5328919APivaloyloxymethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl) biphenyl-4-yl] benzimidazole-7-carboxylate or a pharmaceutically acceptable salt thereof and compositions and method of pharmaceutical use thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1993·Granted Jul 12, 1994·37 cites·3 claims
- 1584US5962491ABenzimidazole derivatives and use thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1997·Granted Oct 5, 1999·25 cites·3 claims
- 1684US5500427ACyclic compounds and their useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1993·Granted Mar 19, 1996·29 cites·34 claims
- 1784US5354766ACompound and salts thereof which antagonize angiotensin IITAKEDA CHEMICAL INDUSTRIES LTD·Filed 1993·Granted Oct 11, 1994·32 cites·3 claims
- 1882US5401764ABenzimidazole derivative compositions and medical use thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1993·Granted Mar 28, 1995·30 cites·3 claims
- 1981US7538133B2Benzimidazole derivatives, their production and useTAKEDA PHARMACEUTICAL·Filed 2006·Granted May 26, 2009·2 cites·62 claims
- 2081US6020334APiperazinones, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1998·Granted Feb 1, 2000·26 cites·40 claims
- 2181US5082838ASulfur-containing fused pyrimidine derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1990·Granted Jan 21, 1992·52 cites·26 claims
- 2280US4824848APyrazolo[3,4-d]pyrimidine derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1987·Granted Apr 25, 1989·28 cites·18 claims
- 2379US6004989ABenzimidazole derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1999·Granted Dec 21, 1999·24 cites·3 claims
- 2478US5736555AHeterocyclic compounds and their use as angiotensin antagonistsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1996·Granted Apr 7, 1998·29 cites·25 claims
- 2577US6100252AHeterocyclic compounds and their use as angiotensin antagonistsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1998·Granted Aug 8, 2000·26 cites·21 claims
- 2677US5496835AHeterocyclic compounds having angiotensin II antagonistic activity and use thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1993·Granted Mar 5, 1996·18 cites·18 claims
- 2775US7378108B1Percutaneous absorption preparation of compound having angiotensin II antagonistic activityTAKEDA PHARMACEUTICAL·Filed 2000·Granted May 27, 2008·4 cites·25 claims
- 2875US7153972B2Benzimidazole derivatives, their production and useTAKEDA PHARMACEUTICAL·Filed 2004·Granted Dec 26, 2006·4 cites·21 claims
- 2975US6844443B2Benzimidazole derivatives, their production and useTAKEDA PHARMACEUTICAL·Filed 2003·Granted Jan 18, 2005·4 cites·20 claims
- 3073US5883111AHeterocyclic compounds and their use as angiotensin antagonistsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1996·Granted Mar 16, 1999·22 cites·34 claims
- 3171US6232334B1Benzimidazole derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1999·Granted May 15, 2001·18 cites·25 claims
- 3236US4912104ATricyclic fused pryimidine derivatives, and their use as pharmaceuticalsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1988·Granted Mar 27, 1990·1 cites·22 claims
- 3333US5935963APiperazinones, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1996·Granted Aug 10, 1999·0 cites·6 claims
- 3432US4981855AMedicament for psoriasisTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1989·Granted Jan 1, 1991·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →