Inventor

IGURA YASUO

JP3 patents

Patents

3 patents

US4633438ADec 30, 1986

Stacked semiconductor memory

HITACHI LTD48 citations92

US5053849AOct 1, 1991

Transistor with overlapping gate/drain and two-layered gate structures

HITACHI LTD51 citations90

US4977435ADec 11, 1990

Semiconductor device with a split conduction channel

HITACHI LTD12 citations72