Inventor
MATSUMOTO HIROO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO HIROO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NISSAN CHEMICAL IND LTD
19 patentsUS5097037AMar 17, 1992
Process for the optical resolution of pyranobenzoxadiazole compounds
NISSAN CHEMICAL IND LTD12 citations73
US5750523AMay 12, 1998
Pyridazinone derivatives
NISSAN CHEMICAL IND LTD6 citations71
US4900752AFeb 13, 1990
Pyranobenzoxadiazole derivatives
NISSAN CHEMICAL IND LTD11 citations71
US5319089AJun 7, 1994
Process for the optical resolution of pyranobenzoxadiazole compounds
NISSAN CHEMICAL IND LTD4 citations62
US4879400ANov 7, 1989
Process for producing alpha-(benzylidene)acetonylphosphonates
NISSAN CHEMICAL IND LTD2 citations62
US6437135B1Aug 20, 2002
Process for producing quinolinecarbaldehyde
NISSAN CHEMICAL IND LTD4 citations61
US5919806AJul 6, 1999
Medicines for cardiac insufficiency
NISSAN CHEMICAL IND LTD4 citations61
US5856327AJan 5, 1999
Pyridazinone derivatives
NISSAN CHEMICAL IND LTD4 citations60
US5272271ADec 21, 1993
Pyranobenzoxadiazole derivatives
NISSAN CHEMICAL IND LTD3 citations60
US6407298B1Jun 18, 2002
Process for the preparation of (p-chlorophenyl)propanol derivatives
NISSAN CHEMICAL IND LTD3 citations59
US7683189B2Mar 23, 2010
Process for producing aminobenzopyran compound
NISSAN CHEMICAL IND LTD0 citations52
US7038091B2May 2, 2006
Process for producing acetylene compound
NISSAN CHEMICAL IND LTD1 citations52
US6310249B1Oct 30, 2001
Process for producing 2-aminobenzophenone compound
NISSAN CHEMICAL IND LTD1 citations52
US5177237AJan 5, 1993
Hydrazine derivatives useful as intermediates in the synthesis of hypotensive agents
NISSAN CHEMICAL IND LTD0 citations51
US4843076AJun 27, 1989
Dihydropyridine-5-phosphonic acid cyclic ester
NISSAN CHEMICAL IND LTD1 citations51
US7339062B2Mar 4, 2008
Method for producing a 3,5-dihydroxy-6-heptenoate
NISSAN CHEMICAL IND LTD1 citations47
US6310065B1Oct 30, 2001
Pyridazinone hydrochloride compound and method for producing the same
NISSAN CHEMICAL IND LTD1 citations47
US7692018B2Apr 6, 2010
Process for producing high purity 3,5-dihydroxy-6-heptenoic acid derivative
NISSAN CHEMICAL IND LTD0 citations46
US4709082ANov 24, 1987
2-phenylpropionic acid esters, method for optical resolution thereof and optically active substance thereof
NISSAN CHEMICAL IND LTD0 citations37
DAIICHI SEIYAKU CO
4 patentsUS5599813AFeb 4, 1997
Thiazolopyrimidine derivatives
DAIICHI SEIYAKU CO18 citations78
US4962202AOct 9, 1990
Mercapto-bicycloheterocyclics useful as intermediates for penem derivatives
DAIICHI SEIYAKU CO2 citations60
US5079357AJan 7, 1992
Derivatives of penem
DAIICHI SEIYAKU CO0 citations50
US4898943AFeb 6, 1990
Tricyclic triazolopyrimidine derivatives
DAIICHI SEIYAKU CO0 citations48