Inventor · disambiguated record
Katsuo Hatayama
Also filed as: HATAYAMA KATSUO
39 granted patents·608 citations·filing 1977–1996
98Inventor score
Files withTAISHO PHARMACEUTICAL CO LTD39
Top patents by PatentIndex Score
39 records- 0192US5475130AAnilide derivativeTAISHO PHARMACEUTICAL CO LTD·Filed 1991·Granted Dec 12, 1995·42 cites·19 claims
- 0292US4952689A3-(substituted propylidene)-2-azetidinone derivates for blood platelet aggregationTAISHO PHARMACEUTICAL CO LTD·Filed 1989·Granted Aug 28, 1990·36 cites·3 claims
- 0391US5571820AHeterocyclic compoundTAISHO PHARMACEUTICAL CO LTD·Filed 1993·Granted Nov 5, 1996·50 cites·13 claims
- 0487US4085135A2-(Carboxymethoxy)-chalconesTAISHO PHARMACEUTICAL CO LTD·Filed 1977·Granted Apr 18, 1978·31 cites·7 claims
- 0586US5753673AQuinolinecarboxylic acid derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1995·Granted May 19, 1998·78 cites·6 claims
- 0686US5403923A6-0-methylerythromycin A derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1991·Granted Apr 4, 1995·73 cites·1 claims
- 0784US5733917AHeterocyclic compoundTAISHO PHARMACEUTICAL CO LTD·Filed 1996·Granted Mar 31, 1998·37 cites·6 claims
- 0884US5631355A5-O-desosaminylerythronolide a derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1993·Granted May 20, 1997·54 cites·1 claims
- 0984US4885367ASulfonanilide compoundsTAISHO PHARMACEUTICAL CO LTD·Filed 1988·Granted Dec 5, 1989·21 cites·1 claims
- 1076US4472411A1,4-Dihydropyridine derivatives and use as vasodilatorsTAISHO PHARMACEUTICAL CO LTD·Filed 1983·Granted Sep 18, 1984·18 cites·5 claims
- 1175US5116995ACarbazole compoundsTAISHO PHARMACEUTICAL CO LTD·Filed 1991·Granted May 26, 1992·18 cites·3 claims
- 1273US5523399A5-O-desosaminylerythronolide derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1992·Granted Jun 4, 1996·26 cites·2 claims
- 1370US5350839A2'-position modified compound of erythromycin or its derivativeTAISHO PHARMACEUTICAL CO LTD·Filed 1991·Granted Sep 27, 1994·23 cites·2 claims
- 1469US4557871ANovel styrene derivatives of the general formulaTAISHO PHARMACEUTICAL CO LTD·Filed 1984·Granted Dec 10, 1985·7 cites·6 claims
- 1566US4980474AApovincaminic acid derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1989·Granted Dec 25, 1990·12 cites·3 claims
- 1663US4937360AN-substituted amide derivatives useful for treating liver diseasesTAISHO PHARMACEUTICAL CO LTD·Filed 1989·Granted Jun 26, 1990·13 cites·7 claims
- 1761US5089654AChalcone derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1990·Granted Feb 18, 1992·8 cites·8 claims
- 1859US5631354A5-O-desosaminylerythronolide derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1992·Granted May 20, 1997·10 cites·13 claims
- 1958US5478945AThiazoline derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1995·Granted Dec 26, 1995·8 cites·1 claims
- 2053US5495046AAlkoxyphenylalkylamine derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1992·Granted Feb 27, 1996·5 cites·3 claims
- 2148US5281717AEpoxysuccinamic acid derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1991·Granted Jan 25, 1994·9 cites·4 claims
- 2245US5302705A6-O-methylerythromycin a oxime derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1990·Granted Apr 12, 1994·5 cites·1 claims
- 2345US4883876AAcylated vincaminic acid derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1988·Granted Nov 28, 1989·2 cites·2 claims
- 2444US5591837A5-O-desosaminylerythronolide a derivativeTAISHO PHARMACEUTICAL CO LTD·Filed 1993·Granted Jan 7, 1997·3 cites·1 claims
- 2544US5374764A5-aminosulfonanilide compoundsTAISHO PHARMACEUTICAL CO LTD·Filed 1992·Granted Dec 20, 1994·3 cites·1 claims
- 2643US5712263ASteroid derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1996·Granted Jan 27, 1998·7 cites·4 claims
- 2742US4948899A1,4-dihydropyridine derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1989·Granted Aug 14, 1990·3 cites·6 claims
- 2837US5502202AAminoalkylthiazole derivativeTAISHO PHARMACEUTICAL CO LTD·Filed 1992·Granted Mar 26, 1996·2 cites·2 claims
- 2936US5672712AThiazoline derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1995·Granted Sep 30, 1997·1 cites·5 claims
- 3033US5047543A1,4-dihydropyridine derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1989·Granted Sep 10, 1991·0 cites·1 claims
- 3132US5597921AIndolo[2,3-b]quinoxaline derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1994·Granted Jan 28, 1997·1 cites·1 claims
- 3231US5416212AAnilide derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1992·Granted May 16, 1995·0 cites·4 claims
- 3330US5990151AOptically active substituted phenylalkylamine derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1996·Granted Nov 23, 1999·2 cites·6 claims
- 3430US5602239A5-O-desosaminylerythronolide derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1994·Granted Feb 11, 1997·0 cites·1 claims
- 3530US5347012ANaphthothiopyranone derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1991·Granted Sep 13, 1994·0 cites·18 claims
- 3629US5521311A5-aminoacetylaminosulfonanilide compoundsTAISHO PHARMACEUTICAL CO LTD·Filed 1994·Granted May 28, 1996·0 cites·1 claims
- 3729US5449826A5-amino-2-phenoxysulfonanilide compoundTAISHO PHARMACEUTICAL CO LTD·Filed 1993·Granted Sep 12, 1995·0 cites·1 claims
- 3829US4968822A21-alkoxysteroid compoundsTAISHO PHARMACEUTICAL CO LTD·Filed 1988·Granted Nov 6, 1990·0 cites·3 claims
- 3928US5496829AUse of 2-nitroxyethyl (+)apovincaminateTAISHO PHARMACEUTICAL CO LTD·Filed 1992·Granted Mar 5, 1996·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →