Inventor · disambiguated record
Isao Yamatsu
Also filed as: INAI YUICHI · YAMATSU ISAO
84 granted patents·812 citations·filing 1975–1997
99Inventor score
Top patents by PatentIndex Score
84 records- 0196US4613593ATherapeutic and preventive agent containing dolicholEISAI CO LTD·Filed 1984·Granted Sep 23, 1986·124 cites·4 claims
- 0293US5385942AQuinone derivatives and pharmacological useEISAI CO LTD·Filed 1993·Granted Jan 31, 1995·48 cites·19 claims
- 0393US5210239AOuinone derivatives and pharmacological useEISAI CO LTD·Filed 1990·Granted May 11, 1993·49 cites·26 claims
- 0490US5612356AHeterocycle-containing carbonic acid derivativesEISAI CO LTD·Filed 1993·Granted Mar 18, 1997·106 cites·7 claims
- 0589US5034418ADiphenylethylene derivatives, pharmaceutical compositions containing same and treatment methodsEISAI CO LTD·Filed 1989·Granted Jul 23, 1991·32 cites·9 claims
- 0685US4929623ABenzothiazole derivativeEISAI CO LTD·Filed 1988·Granted May 29, 1990·38 cites·27 claims
- 0784US4992469AMethod of obtaining an antiplatelet effectEISAI CO LTD·Filed 1985·Granted Feb 12, 1991·46 cites·1 claims
- 0884US4917829A3,7,11,15-Tetramethyl-2,4,6,10,14,-hexadecapentaendic acidEISAI CO LTD·Filed 1986·Granted Apr 17, 1990·16 cites·3 claims
- 0983US4624966Aβ,γ-dihydropolyprenyl alcohol derivatives and pharmaceutical composition containing a polyprenyl compoundEISAI CO LTD·Filed 1985·Granted Nov 25, 1986·15 cites·8 claims
- 1083US4325974Aβ, γ-Dihydropolyprenyl alcohol and hypotensive pharmaceutical composition containing sameEISAI CO LTD·Filed 1979·Granted Apr 20, 1982·14 cites·11 claims
- 1182US4456603APolyprenylcarboxylic acid amides useful for treating liver dysfunctionEISAI CO LTD·Filed 1980·Granted Jun 26, 1984·12 cites·10 claims
- 1282US4175139AHypertension treating agent containing polyprenyl alcoholEISAI CO LTD·Filed 1978·Granted Nov 20, 1979·14 cites·15 claims
- 1380US4346109AMethod of treating keratotic skin diseaseEISAI CO LTD·Filed 1981·Granted Aug 24, 1982·19 cites·6 claims
- 1477US4169157ATherapeutic preparations for peptic ulcers comprising aliphatic ketone derivativeEISAI CO LTD·Filed 1978·Granted Sep 25, 1979·30 cites·2 claims
- 1574US4655973AConjugated polyprenylcarboxylic acids and their derivativesEISAI CO LTD·Filed 1981·Granted Apr 7, 1987·14 cites·6 claims
- 1673US5280048Aβ,γ-dihydropolyprenyl alcohol derivatives and pharmaceutical composition containing a polyprenyl compoundEISAI CO LTD·Filed 1993·Granted Jan 18, 1994·12 cites·17 claims
- 1772US4039573AProcess for preparation of 1,4-benzohydroquinone derivativesEISAI CO LTD·Filed 1975·Granted Aug 2, 1977·9 cites·4 claims
- 1871US4061660AProcess for synthesis of coenzyme Q compoundsEISAI CO LTD·Filed 1976·Granted Dec 6, 1977·8 cites·7 claims
- 1970US6288128B1β,γ-dihydropolyprenyl alcohol derivatives and pharmaceutical composition containing a polyprenyl compoundEISAI CO LTD·Filed 1996·Granted Sep 11, 2001·9 cites·1 claims
- 2069US5382579ATriazolo-1,4-diazepine derivatives and their use in pharmaceuticalsEISAI CO LTD·Filed 1991·Granted Jan 17, 1995·9 cites·21 claims
- 2169US4988732A3,7,11,15-tetramethyl-2,4,6,10,14-hexadecapentaenoic acid composition and use for treating papillomataEISAI CO LTD·Filed 1981·Granted Jan 29, 1991·9 cites·2 claims
- 2268US5409909A1,4-diazepine derivative and its pharmaceutical useEISAI CO LTD·Filed 1994·Granted Apr 25, 1995·9 cites·12 claims
- 2365US4788330APolyprenyl compoundsEISAI CO LTD·Filed 1986·Granted Nov 29, 1988·11 cites·11 claims
- 2465US4062879AProcess for synthesis of coenzyme Q compoundsEISAI CO LTD·Filed 1976·Granted Dec 13, 1977·6 cites·7 claims
- 2562US4491592AMethod for treatment of inflammationEISAI CO LTD·Filed 1983·Granted Jan 1, 1985·9 cites·9 claims
- 2661US4762829APolyprenyl compound, process for the production thereof and drug containing the sameEISAI CO LTD·Filed 1986·Granted Aug 9, 1988·9 cites·33 claims
- 2760US4888439APolyprenyl compound and pharmaceutical useEISAI CO LTD·Filed 1985·Granted Dec 19, 1989·8 cites·8 claims
- 2860US4742058APolyprenyl compound, process for the production thereof and drug containing the sameEISAI CO LTD·Filed 1986·Granted May 3, 1988·8 cites·35 claims
- 2960US4163864AProcess for preparing 2-methyl-3-prenyl-4,5,6-trimethoxyphenolEISAI CO LTD·Filed 1978·Granted Aug 7, 1979·6 cites·2 claims
- 3060US4107193APolyprenyl carboxylic acid compoundEISAI CO LTD·Filed 1977·Granted Aug 15, 1978·6 cites·18 claims
- 3159US5389643AAminobenzoic acid derivatives useful for treating gastro-intestinal conditionsEISAI CO LTD·Filed 1993·Granted Feb 14, 1995·10 cites·23 claims
- 3258US4883916APolyprenyl CompoundsEISAI CO LTD·Filed 1988·Granted Nov 28, 1989·7 cites·2 claims
- 3357US5273985AGlycerin derivative and its pharmacological useEISAI CO LTD·Filed 1991·Granted Dec 28, 1993·4 cites·15 claims
- 3457US4199587AMethod of treating hypertension with polyprenyl alcohol esterEISAI CO LTD·Filed 1979·Granted Apr 22, 1980·4 cites·16 claims
- 3556US5221671ATriazolo-1,4-diazepine derivatives and their use in pharmaceuticalsEISAI CO LTD·Filed 1991·Granted Jun 22, 1993·4 cites·15 claims
- 3656US4130659APolyprenyl carboxylic acid compound and hypotensive agent containing it as active ingredientEISAI CO LTD·Filed 1978·Granted Dec 19, 1978·4 cites·10 claims
- 3755US5298649ANaphthalene derivativeEISAI CO LTD·Filed 1991·Granted Mar 29, 1994·4 cites·22 claims
- 3855US5134111ANaphthalene derivativeEISAI CO LTD·Filed 1989·Granted Jul 28, 1992·3 cites·6 claims
- 3953US4454126APhosphoramide derivatives and medicines containing the sameEISAI CO LTD·Filed 1982·Granted Jun 12, 1984·5 cites·11 claims
- 4052US4954525AMethod of treating skin diseasesEISAI CO LTD·Filed 1981·Granted Sep 4, 1990·3 cites·10 claims
- 4152US4835183AMethod of treating cancerous and precancerous conditionsEISAI CO LTD·Filed 1982·Granted May 30, 1989·3 cites·11 claims
- 4250US5635519ABenzothiazole compounds which are substituted by pyridymethylEISAI CO LTD·Filed 1995·Granted Jun 3, 1997·3 cites·20 claims
- 4349US5789446ATherapeutic agent for treating joint diseases associated with arthritisEISAI CO LTD·Filed 1997·Granted Aug 4, 1998·13 cites·5 claims
- 4449US4576963APolyprenyl compounds, process for the production thereof and medicines containing sameEISAI CO LTD·Filed 1984·Granted Mar 18, 1986·2 cites·6 claims
- 4547US4886834ADiphenyl-methane compounds useful in the treatment of diseases caused by aggregation of platelets or formation of thrombusEISAI CO LTD·Filed 1987·Granted Dec 12, 1989·2 cites·23 claims
- 4645US4481217Aα,β-Dihydropolyprenyl derivatives useful in treating hepatitisEISAI CO LTD·Filed 1981·Granted Nov 6, 1984·2 cites·2 claims
- 4744US5599972AAminobenzoic acid derivativesEISAI CO LTD·Filed 1995·Granted Feb 4, 1997·3 cites·1 claims
- 4842US5300518APyridyl substituted benzothiazole compounds which have useful pharmaceutical utilityEISAI CO LTD·Filed 1992·Granted Apr 5, 1994·1 cites·25 claims
- 4942US5237091ANaphthalene derivativesEISAI CO LTD·Filed 1992·Granted Aug 17, 1993·2 cites·5 claims
- 5042US4482734APolyprenyl compoundsEISAI CO LTD·Filed 1983·Granted Nov 13, 1984·2 cites·11 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →