Inventor
FUKUSHIMA MASAMI
11 patents
⚠️ This page may combine multiple inventors who share the name “FUKUSHIMA MASAMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANKYO CO
5 patentsUS4051320ASep 27, 1977
Process for preparing alkoxylated derivatives of cephalosporin compounds
SANKYO CO8 citations72
US4003901AJan 18, 1977
Nitrosourea derivative
SANKYO CO3 citations61
US4048155ASep 13, 1977
Process for preparing 7 α-alkoxycephalosporin derivatives
SANKYO CO1 citations51
US4016155AApr 5, 1977
Process for preparing cephalosporin derivatives
SANKYO CO1 citations51
US4071681AJan 31, 1978
Process for preparing beta-lactam antibiotic substances
SANKYO CO0 citations40