Inventor
MATSUKUBO HIROSHI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “MATSUKUBO HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KYORIN SEIYAKU KK
6 patentsUS4764608AAug 16, 1988
Process for the manufacture of spiro-linked pyrrolidine-2,5-dione derivatives
KYORIN SEIYAKU KK36 citations91
US5157117AOct 20, 1992
(6,7)-substituted-8-alkoxy-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid-03,04) bis (acyloxy-0) borate and the salt thereof, and the preparing method of the same
KYORIN SEIYAKU KK15 citations66
US4472579ASep 18, 1984
Process for the preparation of quinoline carboxylic acid derivatives
KYORIN SEIYAKU KK5 citations56
US5077302ADec 31, 1991
Urea derivatives
KYORIN SEIYAKU KK0 citations47
US4952591AAug 28, 1990
Anti-ulcer urea derivatives
KYORIN SEIYAKU KK1 citations47
US4749789AJun 7, 1988
Process for the manufacture of spiro-linked pyrrolidine 2,5-diones
KYORIN SEIYAKU KK0 citations40