Inventor
HIRAI KEIJI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KYORIN SEIYAKU KK
9 patentsUS4980470ADec 25, 1990
8-alkoxyquinolonecarboxylic acid and salts thereof
KYORIN SEIYAKU KK54 citations95
US5043450AAug 27, 1991
8-alkoxyquinolonecarboxylic acid and salts thereof
KYORIN SEIYAKU KK35 citations91
US4894458AJan 16, 1990
Quinolonecarboxylic acid derivatives and their preparation
KYORIN SEIYAKU KK52 citations91
US4791225ADec 13, 1988
Halogenobenzoic acid derivatives and their preparation
KYORIN SEIYAKU KK8 citations73
US4753953AJun 28, 1988
Pyridonecarboxylic acid derivatives and antibacterial pharmaceutical compositions thereof
KYORIN SEIYAKU KK17 citations72
US4788320ANov 29, 1988
Benzoylacetic acid ester derivatives and process for their preparations
KYORIN SEIYAKU KK2 citations62
US4791118ADec 13, 1988
Quinolonecarboxylic acid derivatives and their preparation
KYORIN SEIYAKU KK3 citations61
US5244892ASep 14, 1993
Cephem compounds, and antibacterial agents
KYORIN SEIYAKU KK2 citations56
US4826982AMay 2, 1989
Quinolonecarboxylic acid derivatives
KYORIN SEIYAKU KK1 citations51