Inventor
YOSHIOKA YOSHIO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIOKA YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
13 patentsUS4562322ADec 31, 1985
SF6 Gas arc extinguishing electric apparatus and process for producing the same
HITACHI LTD30 citations91
US4588660AMay 13, 1986
Fuel cell
HITACHI LTD22 citations80
US4578730AMar 25, 1986
High-voltage DC circuit breaker apparatus
HITACHI LTD23 citations79
US3946184AMar 23, 1976
Circuit breaker
HITACHI LTD9 citations74
US5260728ANov 9, 1993
Apparatus for reducing, enlarging and projecting image information
HITACHI LTD8 citations73
US4182942AJan 8, 1980
Puffer-type gas-blast circuit breaker
HITACHI LTD19 citations73
US4105879AAug 8, 1978
Magnetic puffer type gas circuit breaker
HITACHI LTD8 citations73
US4059741ANov 22, 1977
Puffer type gas circuit breaker
HITACHI LTD10 citations73
US4132876AJan 2, 1979
Puffer type gas circuit breaker
HITACHI LTD14 citations72
US3996439ADec 7, 1976
Puffer-type gas-blast circuit breaker
HITACHI LTD9 citations72
US4160888AJul 10, 1979
Puffer-type gas-blast circuit breaker
HITACHI LTD15 citations71
US4667072AMay 19, 1987
Gas-insulated circuit breaker
HITACHI LTD3 citations63
US4211903AJul 8, 1980
Electromagnetic puffer type gas circuit breaker
HITACHI LTD3 citations62
TAKEDA CHEMICAL INDUSTRIES LTD
9 patentsUS4426525AJan 17, 1984
Certain phosphoric acid ester derivatives of 1,3-dioxy propane
TAKEDA CHEMICAL INDUSTRIES LTD54 citations95
US4408052AOct 4, 1983
Phospholipid carbamates
TAKEDA CHEMICAL INDUSTRIES LTD30 citations92
US4544512AOct 1, 1985
Tridecyloxy- or tetradecyloxy-propane derivatives
TAKEDA CHEMICAL INDUSTRIES LTD19 citations81
US4542219ASep 17, 1985
Certain heterocyclic ammonio phosphate derivatives
TAKEDA CHEMICAL INDUSTRIES LTD20 citations81
US3936439AFeb 3, 1976
2,6-Diaminonebularine derivatives
TAKEDA CHEMICAL INDUSTRIES LTD22 citations75
US4551532ANov 5, 1985
Ethylene glycol derivatives having anti-protozoan, anti-fungal and anti-tumor activity
TAKEDA CHEMICAL INDUSTRIES LTD10 citations73
US4565865AJan 21, 1986
Phospholipid carbamates
TAKEDA CHEMICAL INDUSTRIES LTD3 citations62
US4249006AFeb 3, 1981
Method of producing 5-fluorouracil derivatives
TAKEDA CHEMICAL INDUSTRIES LTD3 citations62
US4110537AAug 29, 1978
Method of producing N1 -(2-tetrahydrofuryl)-5-fluorouracil
TAKEDA CHEMICAL INDUSTRIES LTD2 citations62