Inventor
FUKATSU SHUNZO
38 patents
⚠️ This page may combine multiple inventors who share the name “FUKATSU SHUNZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MICROBIAL CHEM RES FOUND
17 patentsUS4719231AJan 12, 1988
3-[N-(mercaptoacyl)]amino-4-arylbutanoic acid derivatives and an analgesic agent comprising the same
MICROBIAL CHEM RES FOUND54 citations95
US4170642AOct 9, 1979
Derivatives of kanamycin A
MICROBIAL CHEM RES FOUND21 citations82
US4107424AAug 15, 1978
1-N-[(S)-α-hydroxy-ω-aminoacyl] derivatives of 3',4'-dideoxykanamycin B and 3'-deoxykanamycin B antibiotics
MICROBIAL CHEM RES FOUND25 citations82
US4001208AJan 4, 1977
1-N-[(S)-α-hydroxy-ω-aminoacyl]
MICROBIAL CHEM RES FOUND19 citations82
US4091202AMay 23, 1978
N-methanesulfonic acid derivatives of 3',4'-dideoxykanamycin B
MICROBIAL CHEM RES FOUND20 citations81
US4370318AJan 25, 1983
Bestatin-related compounds as immunopotentiator
MICROBIAL CHEM RES FOUND8 citations74
US4547492AOct 15, 1985
1-N-(ω-Amino-α-hydroxyalkanoyl-2',3'-dideoxykanamycin A and pharmaceutical composition containing same
MICROBIAL CHEM RES FOUND6 citations73
US4395402AJul 26, 1983
Analgesic agent
MICROBIAL CHEM RES FOUND12 citations73
US4195170AMar 25, 1980
3',4'-Episulfido kanamycin B compounds
MICROBIAL CHEM RES FOUND11 citations73
US4870207ASep 26, 1989
Synthesis of arphamenine A
MICROBIAL CHEM RES FOUND3 citations63
US4473554ASep 25, 1984
Bestatin-related compounds as immunopotentiator
MICROBIAL CHEM RES FOUND5 citations63
US3965089AJun 22, 1976
Process for the production of a cyclic ureido-derivative of a deoxystreptamine-containing antibiotic and products thereof
MICROBIAL CHEM RES FOUND3 citations63
US4474764AOct 2, 1984
3-Amino-2-hydroxy-4-phenylbutanoic acid derivatives and pharmaceutical composition containing the same
MICROBIAL CHEM RES FOUND4 citations62
US4359572ANov 16, 1982
Process for the production of 3'-deoxykanamycin A and intermediate product
MICROBIAL CHEM RES FOUND3 citations62
US4357465ANov 2, 1982
3',4'-Diedeoxykanamycin B derivatives
MICROBIAL CHEM RES FOUND2 citations62
US4455419AJun 19, 1984
2'-Modified kanamycins and production thereof
MICROBIAL CHEM RES FOUND4 citations61
US4337336AJun 29, 1982
Derivative of kanamycin A and a process for the preparation thereof
MICROBIAL CHEM RES FOUND3 citations61
MEIJI SEIKA KAISHA
13 patentsUS4839350AJun 13, 1989
Cephalosporin compounds and the production thereof
MEIJI SEIKA KAISHA32 citations92
US4499027AFeb 12, 1985
Process for preparing optically active [(3-amino-3-carboxy)propyl-1]_phosphinic acid derivatives
MEIJI SEIKA KAISHA20 citations80
US4060682ANov 29, 1977
Process for the synthetic production of 3-deoxy derivative of an aminoglycosidic antibiotic
MEIJI SEIKA KAISHA8 citations74
US4785090ANov 15, 1988
Cephalosporin derivatives
MEIJI SEIKA KAISHA5 citations62
US4556513ADec 3, 1985
Process for the production of antibiotic 1-oxadethiacephalosporins, and intermediate
MEIJI SEIKA KAISHA4 citations62
US4290972ASep 22, 1981
Process for the production of 4-aminobutyric acid or its derivatives
MEIJI SEIKA KAISHA5 citations62
US4188480AFeb 12, 1980
Process for the production of a 9,3"-di-acyl derivative of a macrolide antibiotic
MEIJI SEIKA KAISHA3 citations62
US4510102AApr 9, 1985
Phosphinic acid esters and process for preparing the same
MEIJI SEIKA KAISHA5 citations60
US4331597AMay 25, 1982
Penicillin compounds
MEIJI SEIKA KAISHA6 citations60
US4687769AAug 18, 1987
3-(3,3,3-trifluoropropenyl) cephalosporins
MEIJI SEIKA KAISHA0 citations51
US4225706ASep 30, 1980
Polychalcogen ester of cephem compound, process for preparing the same and method for removing the protective group of the same
MEIJI SEIKA KAISHA0 citations40
US4175185ANov 20, 1979
Process for preparing cephalosporanic acid derivatives
MEIJI SEIKA KAISHA0 citations40
US4159372AJun 26, 1979
Process for preparing cephalosporin esters in the presence of liquid sulfur dioxide
MEIJI SEIKA KAISHA0 citations40
MERCK & CO INC
3 patentsUS4534898AAug 13, 1985
1-Oxa-1-dethia-cephalosporin derivatives
MERCK & CO INC2 citations62
US4472576ASep 18, 1984
Processes for the production of antibiotic 1-oxadethiacephalosporins
MERCK & CO INC2 citations62
US4645769AFeb 24, 1987
1-oxa-1-dethia-cephalosporin compounds and antibacterial agent comprising the same
MERCK & CO INC3 citations60