Inventor
SHIBAKAWA RIICHIRO
28 patents
Patents
28 patentsUS4195079AMar 25, 1980
New polycyclic ether antibiotic
PFIZER47 citations92
US4148882AApr 10, 1979
Polycyclic ether antibiotics produced by new species of actinomycete
PFIZER23 citations82
US4148883AApr 10, 1979
Antibiotics produced by new species of nocardia
PFIZER24 citations80
US4605624AAug 12, 1986
Nocardia species capable of producing nargenicin C1
PFIZER6 citations74
US4431801AFeb 14, 1984
Polycyclic ether antibiotic
PFIZER9 citations74
US4247462AJan 27, 1981
Ansamycin antibiotic
PFIZER7 citations73
US4224314ASep 23, 1980
Antibiotics produced by species of Nocardia
PFIZER16 citations73
US4169887AOct 2, 1979
Antibiotics produced by species of actinoplanes
PFIZER7 citations73
US4148880AApr 10, 1979
Mixture of antibiotics produced by a species of actinoplanes
PFIZER6 citations73
US4001397AJan 4, 1977
Antibiotic compound 41,012
PFIZER8 citations73
US4533553AAug 6, 1985
Polycyclic ether antibiotic
PFIZER4 citations63
US4436747AMar 13, 1984
Nargenicin C1
PFIZER4 citations63
US4411892AOct 25, 1983
Tylosin macrolide antibiotics from streptomyces
PFIZER2 citations63
US4361649ANov 30, 1982
Polycyclic ether antibiotic
PFIZER5 citations63
US4496546AJan 29, 1985
Erythromycin D and esters thereof
PFIZER2 citations62
US4225674ASep 30, 1980
Process for producing new ansamycin antibiotic
PFIZER5 citations62
US4212944AJul 15, 1980
Process for producing nocardicin A
PFIZER3 citations62
US4150152AApr 17, 1979
Polycyclic ether antibiotic produced by a strain of streptomyces hygroscopicus
PFIZER6 citations62
US4083963AApr 11, 1978
Polypeptide antibiotic produced by a new subspecies of streptosporangium
PFIZER4 citations62
US4032632AJun 28, 1977
Mixture of antibiotics produced by new species of streptosporangium
PFIZER2 citations62
US4032631AJun 28, 1977
Mixture of antibiotics produced by new species of micromonospora
PFIZER2 citations62
US4031206AJun 21, 1977
Antibiotics produced by species of pseudonocardia
PFIZER5 citations62
US3991183ANov 9, 1976
Antibiotic produced by a species of micromonospora
PFIZER4 citations62
US4038383AJul 26, 1977
Mixture of antibiotics produced by a species of actinoplanes
PFIZER4 citations60
US4450237AMay 22, 1984
Streptomyces albus subspecies indicus
PFIZER1 citations52
US4287182ASep 1, 1981
Antibiotics produced by a new microbe, Catenuloplanes japonicus
PFIZER0 citations52
US4582796AApr 15, 1986
Erythromycin D and esters thereof by fermentation with Nocardia sp. ATCC 39043
PFIZER0 citations51
US4081532AMar 28, 1978
Polycyclic ether antibiotic produced by new species of dactylosporangium
PFIZER1 citations51