Inventor
OZEKI MASAKATSU
JP12 patents
⚠️ This page may combine multiple inventors who share the name “OZEKI MASAKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TANABE SEIYAKU CO
11 patentsUS4948900AAug 14, 1990
Benzoxazole derivatives
TANABE SEIYAKU CO87 citations94
US4897393AJan 30, 1990
Benzoxazole derivatives
TANABE SEIYAKU CO40 citations90
US4182757AJan 8, 1980
Novel nitrosourea compounds and process for preparing the same
TANABE SEIYAKU CO7 citations73
US4829067AMay 9, 1989
Benzo-furan derivative
TANABE SEIYAKU CO11 citations71
US4824833AApr 25, 1989
Benzoxazine derivatives
TANABE SEIYAKU CO16 citations71
US5281592AJan 25, 1994
Thiazine derivatives and preparation thereof
TANABE SEIYAKU CO7 citations69
US4241053ADec 23, 1980
Novel nitrosourea compounds and process for preparing the same
TANABE SEIYAKU CO2 citations62
US4241052ADec 23, 1980
Novel nitrosourea compounds and process for preparing the same
TANABE SEIYAKU CO5 citations62
US4882340ANov 21, 1989
Benzofuran derivative and processes for preparing the same
TANABE SEIYAKU CO2 citations60
US5496815AMar 5, 1996
Thiazine (or oxazine) derivatives and preparation thereof
TANABE SEIYAKU CO6 citations58
US5246929ASep 21, 1993
Naphtho thiazine (or oxaline) derivatives and preparations thereof
TANABE SEIYAKU CO0 citations48