Inventor
ITOH YOKICHI
JP12 patents
Patents
12 patentsUS4851364AJul 25, 1989
Method of forming well regions for field effect transistors utilizing self-aligned techniques
HITACHI LTD19 citations82
US4586238AMay 6, 1986
Method of manufacturing field-effect transistors utilizing self-aligned techniques
HITACHI LTD24 citations82
US4264376AApr 28, 1981
Method for producing a nonvolatile memory device
HITACHI LTD26 citations82
US5348898ASep 20, 1994
Semiconductor device and method for manufacturing the same
HITACHI LTD8 citations74
US5252505AOct 12, 1993
Method for manufacturing a semiconductor device
HITACHI LTD10 citations74
US5114870AMay 19, 1992
Method for manufacturing field effect transistors
HITACHI LTD5 citations74
US4654828AMar 31, 1987
Nonvolatile semiconductor memory
HITACHI LTD8 citations74
US4460980AJul 17, 1984
Nonvolatile MNOS semiconductor memory
HITACHI LTD13 citations74
US4429326AJan 31, 1984
I2 L Memory with nonvolatile storage
HITACHI LTD8 citations73
US5519244AMay 21, 1996
Semiconductor device having aligned semiconductor regions and a plurality of MISFETs
HITACHI LTD5 citations63
US4041521AAug 9, 1977
Shift array for pattern information processing device utilizing charge coupled semiconductor device
HITACHI LTD4 citations62
US4013897AMar 22, 1977
Information signal transfer method and a charge transfer
HITACHI LTD3 citations62