Inventor · disambiguated record
Seizi Kurozumi
Also filed as: HASHIMOTO YOSHINOBU · KUROZUMI SEIZI
35 granted patents·172 citations·filing 1974–1993
96Inventor score
Files withTEIJIN LTD35
Top patents by PatentIndex Score
35 records- 0182US4472428AHalogenated prostacyclins pharmaceutical use thereof and hydroxy intermediates thereforeTEIJIN LTD·Filed 1981·Granted Sep 18, 1984·17 cites·23 claims
- 0279US4978775AProcess for producing bicyclo[3.3.0]octanesTEIJIN LTD·Filed 1985·Granted Dec 18, 1990·20 cites·9 claims
- 0376US4180672A2-Organothio-2-cyclopentenones, organothio-cyclopentanes derived therefromTEIJIN LTD·Filed 1977·Granted Dec 25, 1979·11 cites·3 claims
- 0476US4132726AProcess for the preparation of 4-hydroxycyclopent-2-en-1-one derivativesTEIJIN LTD·Filed 1975·Granted Jan 2, 1979·11 cites·13 claims
- 0574US4008125ANew cyclopentene-diols and new acyl esters thereof and process for their preparationTEIJIN LTD·Filed 1975·Granted Feb 15, 1977·29 cites·10 claims
- 0668US5149711A2-cyclopentenone derivativesTEIJIN LTD·Filed 1989·Granted Sep 22, 1992·8 cites·7 claims
- 0765US4649156A6-nitroprostaglandin derivativesTEIJIN LTD·Filed 1985·Granted Mar 10, 1987·8 cites·14 claims
- 0861US4466980AThiaprostaglandin E1 derivatives, process for production thereof, and pharmaceutical use thereofTEIJIN LTD·Filed 1981·Granted Aug 21, 1984·7 cites·14 claims
- 0960US4039563AProcess for preparing cyclopent-2-en-1-one derivativesTEIJIN LTD·Filed 1975·Granted Aug 2, 1977·4 cites·13 claims
- 1058US4689426A5-alkylidene-2-halo-4-substituted-2-cyclopentenone and process for production thereofTEIJIN LTD·Filed 1984·Granted Aug 25, 1987·5 cites·2 claims
- 1155US4841091AProcess for producing 16-substituted prostaglandin es.TEIJIN LTD·Filed 1986·Granted Jun 20, 1989·4 cites·1 claims
- 1253US5116869A2-substituted-2-cyclopentenonesTEIJIN LTD·Filed 1991·Granted May 26, 1992·6 cites·17 claims
- 1353US4383996ADerivative of thiazolo[3,2-a]pyrimidine and a process for the preparation thereof and a drug containing itTEIJIN LTD·Filed 1980·Granted May 17, 1983·3 cites·6 claims
- 1452US4711895A4-hydroxy-2-cyclopentenone, process for production thereof, pharmaceutical composition comprising itTEIJIN LTD·Filed 1985·Granted Dec 8, 1987·5 cites·9 claims
- 1552US4421914AThiazolo[3,2-a]pyrimidines, derivatives thereof, processes for production thereof, and pharmaceutical use thereofTEIJIN LTD·Filed 1981·Granted Dec 20, 1983·3 cites·2 claims
- 1651US4766147ANovel 5-membered cyclic compounds, process for production thereof, and pharmaceutical use thereofTEIJIN LTD·Filed 1986·Granted Aug 23, 1988·4 cites·5 claims
- 1751US4009196A2-Acyl-3-substituted cyclopentan-1-ones and process for their preparationTEIJIN LTD·Filed 1975·Granted Feb 22, 1977·3 cites·11 claims
- 1846US4990650AAromatic derivative and preparation method thereofTEIJIN LTD·Filed 1990·Granted Feb 5, 1991·3 cites·9 claims
- 1945US5159102A7-thiaprostaglandins E, and process for producing sameTEIJIN LTD·Filed 1990·Granted Oct 27, 1992·3 cites·3 claims
- 2044US5329035AProcess for producing 2,3-disubstituted-4-substituted cyclopentanones, enantiomorphs, or mixtures thereofTEIJIN LTD·Filed 1993·Granted Jul 12, 1994·3 cites·18 claims
- 2144US5283349A2,6,7-trisubstituted-3-methylenebicyclo(3.3.0)-octanes, and process for production thereofTEIJIN LTD·Filed 1986·Granted Feb 1, 1994·2 cites·21 claims
- 2239US4886903AProcess for production of prostaglandins D2TEIJIN LTD·Filed 1988·Granted Dec 12, 1989·4 cites·9 claims
- 2337US4845282AProcess for prostaglandin E1 production, and novel delta 7-prostaglandins E and 7-hydroxyprostaglandins ETEIJIN LTD·Filed 1988·Granted Jul 4, 1989·1 cites·12 claims
- 2436US4736058AProstacyclins and process for production thereofTEIJIN LTD·Filed 1984·Granted Apr 5, 1988·1 cites·5 claims
- 2535US4233309ANovel 1-substituted-3-acylpyrrole derivatives, platelet aggregation inhibitors containing them, as active ingredients, and processes for production of said derivativesTEIJIN LTD·Filed 1978·Granted Nov 11, 1980·0 cites·3 claims
- 2634US4921995AProcess for producing 16-substituted prostaglandinesTEIJIN LTD·Filed 1988·Granted May 1, 1990·0 cites·1 claims
- 2732US5206416AIsocarbacyclin derivativeTEIJIN LTD·Filed 1991·Granted Apr 27, 1993·0 cites·5 claims
- 2832US5124352AFat emulsions containing isocarbacyclinTEIJIN LTD·Filed 1991·Granted Jun 23, 1992·5 cites·3 claims
- 2932US4578482AProcess for preparing prostacyclinsTEIJIN LTD·Filed 1983·Granted Mar 25, 1986·0 cites·13 claims
- 3032US4315032AProcess for preparation of adjacently disubstituted ketonesTEIJIN LTD·Filed 1980·Granted Feb 9, 1982·0 cites·6 claims
- 3131US5364883AIsocarbocyclins for the treatment of liver and kidney diseasesTEIJIN LTD·Filed 1993·Granted Nov 15, 1994·2 cites·10 claims
- 3231US4139717A1,3-Dicarbonyl compoundsTEIJIN LTD·Filed 1977·Granted Feb 13, 1979·0 cites·2 claims
- 3330US5175338AIsocarbacyclin derivatives and their pharmaceutically acceptable salts thereofTEIJIN LTD·Filed 1990·Granted Dec 29, 1992·0 cites·9 claims
- 3430US4797506A6-substituted prostaglandins E1 and process for producing sameTEIJIN LTD·Filed 1985·Granted Jan 10, 1989·0 cites·4 claims
- 3530US4001308AProcess for the preparation of 1,4-diacetoxycyclopent-2-eneTEIJIN LTD·Filed 1974·Granted Jan 4, 1977·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →