Inventor
HIRAI SHIRO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI SHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYAMA CHEMICAL CO LTD
5 patentsUS4643849AFeb 17, 1987
Intermediates for urea and thiourea derivatives
TOYAMA CHEMICAL CO LTD53 citations92
US4610983ASep 9, 1986
N-acyl acidic amino acid diamide derivative, a salt thereof, and an anti-ulcer agent containing the same
TOYAMA CHEMICAL CO LTD30 citations89
US4871765AOct 3, 1989
Amine derivative and its salt and anti-ulcer agent containing the same
TOYAMA CHEMICAL CO LTD4 citations59
US5120746AJun 9, 1992
Amine derivatives, salts thereof, process for preparing the same and an anti-ulcer agent containing the same
TOYAMA CHEMICAL CO LTD2 citations58
US4923882AMay 8, 1990
Novel amine derivatives, salts thereof and an anti-ulcer agent containing the same
TOYAMA CHEMICAL CO LTD1 citations48