Inventor
SHOMURA TAKASHI
JP29 patents
Patents
29 patentsUS4994578AFeb 19, 1991
Certain anti-tumor duocarmycin antibiotics from streptomyces
MEIJI SEIKA KAISHA44 citations94
US5116815AMay 26, 1992
Pf 1022 substance, method of treating helminthic parasitic infection and anthelmintic composition
MEIJI SEIKA KAISHA44 citations90
US4216226AAug 5, 1980
Antiviral agent and treatment of viral infections
MEIJI SEIKA KAISHA22 citations77
US5194617AMar 16, 1993
2,3-disubstituted-4-hydroxyquinoline derivatives
MEIJI SEIKA KAISHA11 citations73
US4376778AMar 15, 1983
Antibiotic substances and processes for production thereof
MEIJI SEIKA KAISHA7 citations73
US4181715AJan 1, 1980
Novel antibiotic substance SF-1540 and its derivative, and process for the production thereof
MEIJI SEIKA KAISHA12 citations73
US4010155AMar 1, 1977
Antibiotic SF-1623 substance
MEIJI SEIKA KAISHA12 citations73
US3956337AMay 11, 1976
Process for the preparation of D-gluconic-δ-lactam
MEIJI SEIKA KAISHA12 citations73
US4316894AFeb 23, 1982
Antibiotic SF-1130-x3 3 substance and production and use thereof
MEIJI SEIKA KAISHA7 citations72
US4226941AOct 7, 1980
Process for the optical resolution of d,l-2-amino-4-methylphosphinobutyric acid
MEIJI SEIKA KAISHA17 citations72
US3940479AFeb 24, 1976
Novel antibiotic BN-109 substance, its production and use
MEIJI SEIKA KAISHA9 citations72
US4548816AOct 22, 1985
Antibiotic SF-2288 and its preparation method
MEIJI SEIKA KAISHA3 citations62
US4404218ASep 13, 1983
Antibiotic SF-2103A substance and process for production thereof
MEIJI SEIKA KAISHA2 citations62
US4103083AJul 25, 1978
Novel antibiotics derivatives and process for preparing the same
MEIJI SEIKA KAISHA5 citations62
US3975235AAug 17, 1976
Process for the production of cephamycin type antibiotic substances
MEIJI SEIKA KAISHA2 citations62
US4954641ASep 4, 1990
Novel antitumor antibiotic substance and a method for production thereof
MEIJI SEIKA KAISHA4 citations61
US4209509AJun 24, 1980
Substance SF-1739 derivatives, process for preparing the same and antibacterial compositions containing the same
MEIJI SEIKA KAISHA5 citations61
US4160026AJul 3, 1979
Antibiotics SF-1130-x1 and -x2 substances and production and use thereof
MEIJI SEIKA KAISHA6 citations61
US4169140ASep 25, 1979
Antibiotics SF-1771 substance and SF-1771-B substance as well as the production of these substances
MEIJI SEIKA KAISHA4 citations60
US3974035AAug 10, 1976
Process for preparing a cephamycin type antibiotic substance
MEIJI SEIKA KAISHA2 citations60
US5026547AJun 25, 1991
Compound having insecticidal activity and insecticide composition containing the same
MEIJI SEIKA KAISHA6 citations59
US4536398AAug 20, 1985
Antiviral agents
MEIJI SEIKA KAISHA5 citations58
US4460693AJul 17, 1984
Plasmids derived from Actinomycetes
MEIJI SEIKA KAISHA2 citations56
US4242327ADec 30, 1980
Antibiotic SF-2052 substance and production and use thereof
MEIJI SEIKA KAISHA1 citations51
US4202886AMay 13, 1980
Antibiotic SF-1942 substance and process for production of the same
MEIJI SEIKA KAISHA1 citations51
US4076588AFeb 28, 1978
Antibiotic SF-1623 substance and the production thereof
MEIJI SEIKA KAISHA0 citations51
US4220639ASep 2, 1980
Antibiotics SF-2050 and SF-2050B substances and production and use thereof
MEIJI SEIKA KAISHA0 citations48
US4151041AApr 24, 1979
Process for production of maltopentaose and maltohexaose
MEIJI SEIKA KAISHA1 citations48
US4396603AAug 2, 1983
Novel antibiotic SF-2107 series substance and process for preparing the same
MEIJI SEIKA KAISHA0 citations41