Inventor
OKUGAKI AKIRA
JP4 patents
Patents
4 patentsUS5450424ASep 12, 1995
Semiconductor memory device with error checking and correcting function
MITSUBISHI ELECTRIC CORP141 citations96
US5600171AFeb 4, 1997
Mask ROM device
MITSUBISHI ELECTRIC CORP70 citations95
US5847994ADec 8, 1998
Non-volatile semiconductor memory device having a back ground operation mode
MITSUBISHI ELECTRIC CORP62 citations91
US5811862ASep 22, 1998
Semiconductor device having a mask programmable memory and manufacturing method thereof
MITSUBISHI ELECTRIC CORP16 citations68