Inventor
ISHII MASAJI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “ISHII MASAJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENKI KAGAKU KOGYO KK
10 patentsUS4610858ASep 9, 1986
Chlorosilane disproportionation catalyst and method for producing a silane compound by means of the catalyst
DENKI KAGAKU KOGYO KK38 citations90
US4482839ANov 13, 1984
Thermionic emission cathode and preparation thereof
DENKI KAGAKU KOGYO KK19 citations81
US4137476AJan 30, 1979
Thermionic cathode
DENKI KAGAKU KOGYO KK23 citations80
US4029466AJun 14, 1977
Container for evaporation of metal
DENKI KAGAKU KOGYO KK18 citations80
US4112290ASep 5, 1978
Evaporation vessel for use in vacuum evaporation
DENKI KAGAKU KOGYO KK24 citations78
US4168565ASep 25, 1979
Method for manufacturing thermionic cathode
DENKI KAGAKU KOGYO KK9 citations72
US4482838ANov 13, 1984
Thermionic emission cathode
DENKI KAGAKU KOGYO KK13 citations71
US4008183AFeb 15, 1977
High temperature anticorrosive molded product
DENKI KAGAKU KOGYO KK13 citations67
US4591754AMay 27, 1986
Electron gun for brightness
DENKI KAGAKU KOGYO KK3 citations60
US4288717ASep 8, 1981
Thermionic cathode apparatus
DENKI KAGAKU KOGYO KK3 citations60