Inventor
KOURO YASUHIRO
JP6 patents
Patents
6 patentsUS6353553B1Mar 5, 2002
Nonvolatile semiconductor memory device having structure storing multivalued data and data storage system comprising the nonvolatile semiconductor memory device
MITSUBISHI ELECTRIC CORP119 citations97
US5467457ANov 14, 1995
Read only type semiconductor memory device including address coincidence detecting circuits assigned to specific address regions and method of operating the same
MITSUBISHI ELECTRIC CORP24 citations91
US5003205AMar 26, 1991
Buffer circuit used in a semiconductor device operating by different supply potentials and method of operating the same
MITSUBISHI ELECTRIC CORP42 citations91
US5305275AApr 19, 1994
Semiconductor memory device capable of correct reading of data under variable supply voltage
MITSUBISHI ELECTRIC CORP22 citations90
US5097152AMar 17, 1992
Buffer circuit used in a semiconductor device operating by different supply potentials and method of operating the same
MITSUBISHI ELECTRIC CORP16 citations72
US5058071AOct 15, 1991
Semiconductor memory device having means for repairing the memory device with respect to possible defective memory portions
MITSUBISHI ELECTRIC CORP18 citations72