Inventor · disambiguated record
Toshinao Usui
Also filed as: USUI TOSHINAO
17 granted patents·84 citations·filing 1983–1996
91Inventor score
Top patents by PatentIndex Score
17 records- 0189US5447946AHydantoin derivatives for treating complications of diabetesSANWA KAGAKU KENKYUSHO CO·Filed 1994·Granted Sep 5, 1995·28 cites·3 claims
- 0277US5171865AProcess for the preparation of optically active 4-oxo-1-benzopyran-2-carboxylic acid derivatives and intermediates thereofSANWA KAGAKU KENKYUSHO CO·Filed 1991·Granted Dec 15, 1992·17 cites·2 claims
- 0374US4861792AHydantoin derivatives for treating complications of diabetesSANWA KAGAKU KENKYUSHO CO·Filed 1987·Granted Aug 29, 1989·7 cites·9 claims
- 0472US4740517AAntidiabetic spiro-3-heteroazolidinesSANWA KAGAKU KENKYUSHO CO·Filed 1986·Granted Apr 26, 1988·18 cites·20 claims
- 0564US4985574AHydantoin derivatives for treating complications of diabetesSANWA KAGAKU KENKYUSHO CO·Filed 1989·Granted Jan 15, 1991·4 cites·1 claims
- 0659US4978758AHydantoin derivatives for treating complications of diabetesSANWA KAGAKU KENKYUSHO CO·Filed 1989·Granted Dec 18, 1990·3 cites·2 claims
- 0745US5164391AHydantoin derivatives for treating complications of diabetes and circulatory diseasesSANWA KAGAKU KENKYUSHO CO·Filed 1990·Granted Nov 17, 1992·3 cites·2 claims
- 0840US4528143AProcess for the preparation of 4-chloro-2-nitrobenzonitrileSANWA KAGAKU KENKYUSHO CO·Filed 1983·Granted Jul 9, 1985·1 cites·6 claims
- 0936US4734411APyrrolizidine compounds, salts thereof, process for the preparation of same and pharmaceutical agents comprising sameSANWA KAGAKU KENKYUSHO CO·Filed 1986·Granted Mar 29, 1988·1 cites·9 claims
- 1034US4985573AHydantoin derivatives for treating complications of diabetesSANWA KAGAKU KENKYUSHO CO·Filed 1989·Granted Jan 15, 1991·0 cites·1 claims
- 1131US4824855A1,4-dihydropyridine derivativesSANWA KAGAKU KENKYUSHO CO·Filed 1987·Granted Apr 25, 1989·0 cites·10 claims
- 1230US5036080A(D)-6-fluoro-2,3-dihydro-2',5-dioxo-spiro[4H-1-benzopyran-4,4'-imidazolide]-2-carboxamide compoundsSANWA KAGAKU KENKYUSHO CO·Filed 1989·Granted Jul 30, 1991·0 cites·3 claims
- 1328US5869460ASulfated and phosphated saccharide derivatives, process for the preparation of the same and use thereofSANWA KAGUKU KENKYUSHO CO LTD·Filed 1996·Granted Feb 9, 1999·2 cites·6 claims
- 1427US5442077ABenzo[B]Furancarboxamide derivatives, process for the preparation of same and use thereof for improving hypermotilitySANWA KAGAKU KENKYUSHO CO·Filed 1994·Granted Aug 15, 1995·0 cites·6 claims
- 1527US5001240AProcess for preparing optically active hydantoinsSANWA KAGAKU KENKYYUSHO CO LTD·Filed 1990·Granted Mar 19, 1991·0 cites·3 claims
- 1626US5539125A1-azabicyclo[3.3.0]octan derivative, salt thereof, process for the preparation of same and use thereof as hypermotility agentsSANWA KAGAKU KENKYUSHO CO·Filed 1995·Granted Jul 23, 1996·0 cites·6 claims
- 1725US5502209ABenzopyrancarboxamide derivatives, salts thereof, process for the preparation of same and use thereofSANWA KAGAKU KENKYUSHO CO·Filed 1995·Granted Mar 26, 1996·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →