Inventor
KOYAMA MASAO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MEIJI SEIKA KAISHA
14 patentsUS5037993AAug 6, 1991
Sulfonyl derivatives of an antibiotic substance isolated from streptomyces
MEIJI SEIKA KAISHA41 citations95
US4994578AFeb 19, 1991
Certain anti-tumor duocarmycin antibiotics from streptomyces
MEIJI SEIKA KAISHA44 citations94
US5747448AMay 5, 1998
Derivatives of cyclodepsipeptide PF 1022
MEIJI SEIKA KAISHA44 citations90
US4563472AJan 7, 1986
Iodoallyl and iodopropargyl substituted tetrazoles and anti-microbial compositions thereof
MEIJI SEIKA KAISHA19 citations81
US4495358AJan 22, 1985
Antibiotic pyrrolomycin E
MEIJI SEIKA KAISHA11 citations73
US3963712AJun 15, 1976
3-Halo-cephalosporins
MEIJI SEIKA KAISHA9 citations73
US6498251B1Dec 24, 2002
Tetrahydrobenzindole derivatives
MEIJI SEIKA KAISHA9 citations69
US6355642B1Mar 12, 2002
Tetrahydrobenzindole compounds
MEIJI SEIKA KAISHA12 citations69
US4647572AMar 3, 1987
Iodoallyl and iodopropargyl substituted tetrazoles and anti-microbial compositions thereof
MEIJI SEIKA KAISHA6 citations62
US5164507ANov 17, 1992
Antibiotic pyridine compound
MEIJI SEIKA KAISHA2 citations61
US6407112B1Jun 18, 2002
Optically active tetrahydrobenzindole derivative
MEIJI SEIKA KAISHA6 citations59
US5312833AMay 17, 1994
Method of inhibiting tumor growth using xanthocillin X dimethylether
MEIJI SEIKA KAISHA3 citations58
US4128714ADec 5, 1978
Process for the preparation of 7-acylamida-3-halo-3-alkyl-cepham-4-carboxylic acids and esters
MEIJI SEIKA KAISHA0 citations52
US5210097AMay 11, 1993
Xanthocillin x monomethyl ether derivative and antitumor agent containing the same
MEIJI SEIKA KAISHA1 citations51
TOSHIBA KK
6 patentsUS6172275B1Jan 9, 2001
Method and apparatus for pyrolytically decomposing waste plastic
TOSHIBA KK84 citations97
US4651310AMar 17, 1987
Polymeric piezoelectric ultrasonic probe
TOSHIBA KK73 citations95
US4961833AOct 9, 1990
Field-effect transistor-type semiconductor sensor
TOSHIBA KK43 citations91
US4758325AJul 19, 1988
Ion selective electrode and flow type ion sensor using the same
TOSHIBA KK41 citations90
US6332909B1Dec 25, 2001
Processing apparatus, processing system and processing method
TOSHIBA KK40 citations89
US4619739AOct 28, 1986
Method and apparatus for measuring halogen ion concentration
TOSHIBA KK9 citations71
TOKYO SHIBAURA ELECTRIC CO
2 patentsUS4388166AJun 14, 1983
Electrochemical measuring apparatus provided with an enzyme electrode
TOKYO SHIBAURA ELECTRIC CO447 citations98
US4409088AOct 11, 1983
Regeneration method of ion-selective electrode, and ion-selective electrode and ion-concentration analyzer containing means adapted to practice said method
TOKYO SHIBAURA ELECTRIC CO23 citations80
SLOAN KETTERING INST CANCER
2 patentsTOSHIBA CERAMICS CO
2 patentsUS4624735ANov 25, 1986
Constituent members of a semiconductor element-manufacturing apparatus and a reaction furnace for making said constituent members
TOSHIBA CERAMICS CO10 citations69
US4424193AJan 3, 1984
Constituent members of a semiconductor element-manufacturing apparatus and a reaction furnace for making said constituent members
TOSHIBA CERAMICS CO10 citations69