Inventor
AMANAI MASAKAZU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “AMANAI MASAKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
10 patentsUS6177824B1Jan 23, 2001
Level shifting circuit
NEC CORP25 citations92
US6128230AOct 3, 2000
Semiconductor memory with PN junction potential reduction in a writing mode
NEC CORP19 citations92
US6084387AJul 4, 2000
Power source circuit for generating positive and negative voltage sources
NEC CORP31 citations92
US5787037AJul 28, 1998
Non-volatile memory device which supplies erasable voltage to a flash memory cell
NEC CORP22 citations92
US5677875AOct 14, 1997
Non-volatile semiconductor memory device configured to minimize variations in threshold voltages of non-written memory cells and potentials of selected bit lines
NEC CORP40 citations92
US6115288ASep 5, 2000
Semiconductor memory device
NEC CORP11 citations73
US6111792AAug 29, 2000
Non-volatile semiconductor memory device for selective cell flash erasing/programming
NEC CORP8 citations73
US5942808AAug 24, 1999
Semiconductor device with plural power supply circuits, plural internal circuits, and single external terminal
NEC CORP9 citations73
US5499212AMar 12, 1996
Semiconductor memory device having a bias control circuit for erase voltage blocking transistor
NEC CORP17 citations73
US5309397AMay 3, 1994
Read only memory device equipped with output data buffer circuits less affectable by noises on power voltage line
NEC CORP3 citations62