Inventor · disambiguated record
Kazuhiko Ohrai
Also filed as: OHRAI KAZUHIKO
14 granted patents·56 citations·filing 1989–2009
89Inventor score
Files withNISSAN CHEMICAL IND LTD14
Top patents by PatentIndex Score
14 records- 0173US6589983B1Benzopyran derivativeNISSAN CHEMICAL IND LTD·Filed 2000·Granted Jul 8, 2003·8 cites·9 claims
- 0269US6555574B14-oxybenzopyran derivativeNISSAN CHEMICAL IND LTD·Filed 2000·Granted Apr 29, 2003·5 cites·8 claims
- 0367US7964623B2Tricyclic benzopyrane compoundNISSAN CHEMICAL IND LTD·Filed 2009·Granted Jun 21, 2011·1 cites·40 claims
- 0464US6677371B14-oxybenzopyran derivativeNISSAN CHEMICAL IND LTD·Filed 2000·Granted Jan 13, 2004·3 cites·6 claims
- 0560US4900752APyranobenzoxadiazole derivativesNISSAN CHEMICAL IND LTD·Filed 1989·Granted Feb 13, 1990·11 cites·15 claims
- 0656US5880301AOptically active bidentate phosphine ligand palladium complexNISSAN CHEMICAL IND LTD·Filed 1996·Granted Mar 9, 1999·18 cites·18 claims
- 0751US7879887B2α-amino acid derivatives and medicaments containing the same as an active ingredientNISSAN CHEMICAL IND LTD·Filed 2007·Granted Feb 1, 2011·0 cites·14 claims
- 0850US5919806AMedicines for cardiac insufficiencyNISSAN CHEMICAL IND LTD·Filed 1994·Granted Jul 6, 1999·4 cites·6 claims
- 0945US6066631AChroman derivativesNISSAN CHEMICAL IND LTD·Filed 1999·Granted May 23, 2000·3 cites·28 claims
- 1044US7652008B2Tricyclic benzopyran compound as anti-arrhythmic agentsNISSAN CHEMICAL IND LTD·Filed 2005·Granted Jan 26, 2010·0 cites·58 claims
- 1139US7041700B2Substituted benzopyran derivatives against arrhythmiaNISSAN CHEMICAL IND LTD·Filed 2002·Granted May 9, 2006·0 cites·11 claims
- 1239US6809114B24-aminobenzopyran derivativesNISSAN CHEMICAL IND LTD·Filed 2002·Granted Oct 26, 2004·0 cites·11 claims
- 1336US5272271APyranobenzoxadiazole derivativesNISSAN CHEMICAL IND LTD·Filed 1991·Granted Dec 21, 1993·3 cites·13 claims
- 1431US6486178B1Indane derivativesNISSAN CHEMICAL IND LTD·Filed 1999·Granted Nov 26, 2002·0 cites·12 claims
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