Inventor
SUGIURA JUNE
JP18 patents
Patents
18 patentsUS4651406AMar 24, 1987
Forming memory transistors with varying gate oxide thicknesses
HITACHI LTD187 citations99
US4471373ASep 11, 1984
Semiconductor integrated circuit device with memory MISFETS and thin and thick gate insulator MISFETS
HITACHI LTD154 citations99
US5352620AOct 4, 1994
Method of making semiconductor device with memory cells and peripheral transistors
HITACHI LTD69 citations96
US4788665ANov 29, 1988
Semiconductor memory
HITACHI LTD71 citations96
US4663645AMay 5, 1987
Semiconductor device of an LDD structure having a floating gate
HITACHI LTD95 citations96
US5416347AMay 16, 1995
Semiconductor memory device with additional conductive line to prevent line breakage
HITACHI LTD23 citations92
US5194924AMar 16, 1993
Semiconductor device of an LDD structure having a floating gate
HITACHI LTD31 citations92
US5136546AAug 4, 1992
Semiconductor memory
HITACHI LTD28 citations92
US4918501AApr 17, 1990
Semiconductor device and method of producing the same
HITACHI LTD32 citations92
US4872041AOct 3, 1989
Semiconductor device equipped with a field effect transistor having a floating gate
HITACHI LTD24 citations92
US4691298ASep 1, 1987
Semiconductor memory
HITACHI LTD28 citations92
US4451904AMay 29, 1984
Semiconductor memory device
HITACHI LTD33 citations92
US5098855AMar 24, 1992
Semiconductor device and method of producing the same
HITACHI LTD21 citations82
US4731642AMar 15, 1988
Semiconductor memory device with means to prevent word line breakage
HITACHI LTD21 citations81
US4984212AJan 8, 1991
Semiconductor memory
HITACHI LTD6 citations74
US4905195AFeb 27, 1990
Semiconductor memory
HITACHI LTD9 citations74
US4830977AMay 16, 1989
Method of making a semiconductor memory device
HITACHI LTD8 citations73
US5580810ADec 3, 1996
Method of making a semiconductor memory device
HITACHI LTD3 citations62