Inventor

SEKIGAWA TADAHIKO

JP3 patents

Patents

3 patents

US4529909AJul 16, 1985

Gas discharge display panel

OKAYA ELECTRIC INDUSTRY CO27 citations90

US4392075AJul 5, 1983

Gas discharge display panel

OKAYA ELECTRIC INDUSTRY CO26 citations80

US4472659ASep 18, 1984

Gas discharge display panel

OKAYA ELECTRIC INDUSTRY CO4 citations60