P

Inventor

MISUMI AKIRA

27 patents
⚠️ This page may combine multiple inventors who share the name “MISUMI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

24 patents
US4543441ASep 24, 1985

Solar battery using amorphous silicon

HITACHI LTD58 citations96
US4481265ANov 6, 1984

Photovoltaic-storage battery device

HITACHI LTD97 citations95
US4779451AOct 25, 1988

System for measuring foreign materials in liquid

HITACHI LTD60 citations94
US4256495AMar 17, 1981

Sealing glass

HITACHI LTD47 citations92
US4313854AFeb 2, 1982

Oxide-coated cathode for electron tube

HITACHI LTD19 citations82
US4636681AJan 13, 1987

Directly heated cathode

HITACHI LTD13 citations74
US4349766ASep 14, 1982

Directly heated cathode for electron tube

HITACHI LTD9 citations74
US4215180AJul 29, 1980

Oxide-coated cathodes for electron tubes

HITACHI LTD14 citations74
US4081713AMar 28, 1978

Directly heated oxide cathode

HITACHI LTD12 citations74
US4079164AMar 14, 1978

Base metal plate for directly heated oxide cathode

HITACHI LTD8 citations74
US4723091AFeb 2, 1988

Technique for preventing reflections in a cathode ray tube

HITACHI LTD13 citations73
US4713576ADec 15, 1987

Color picture tube with shadow mask

HITACHI LTD9 citations73
US4279784AJul 21, 1981

Thermionic emission cathodes

HITACHI LTD11 citations73
US4208208AJun 17, 1980

Nickel alloy base metal plate for directly heated oxide cathodes

HITACHI LTD6 citations73
US4291252ASep 22, 1981

Electron tube cathode

HITACHI LTD9 citations72
US4717853AJan 5, 1988

Projection tube whose coolant contains an ethylene oligomer

HITACHI LTD6 citations65
US4872924AOct 10, 1989

Method of producing shadow mask of color cathode ray tube

HITACHI LTD2 citations62
US4754188AJun 28, 1988

Color picture tube shadow mask material

HITACHI LTD4 citations62
US4446404AMay 1, 1984

Directly heated oxide cathode and production thereof

HITACHI LTD4 citations62
US4382206AMay 3, 1983

Directly heated type oxide cathode

HITACHI LTD4 citations62
US4114243ASep 19, 1978

Process for producing cathode for cathode ray tube of directly heating type

HITACHI LTD4 citations62
US4890481AJan 2, 1990

System for measuring foreign materials in liquid

HITACHI LTD6 citations61
US4222775ASep 16, 1980

Base metal plate materials for directly heated oxide cathodes

HITACHI LTD0 citations51
US4146393AMar 27, 1979

Base metal plate materials for directly heated oxide cathode

HITACHI LTD0 citations51

FUJI XEROX CO LTD

3 patents