Inventor
TAKASHINA NOBUAKI
JP11 patents
Patents
11 patentsUS5452251ASep 19, 1995
Semiconductor memory device for selecting and deselecting blocks of word lines
FUJITSU LTD70 citations97
US6646920B2Nov 11, 2003
Nonvolatile semiconductor memory device having electrically and collectively erasable characteristics
FUJITSU LTD38 citations96
US5959887ASep 28, 1999
Electrically erasable programmable nonvolatile semiconductor memory having dual operation function
FUJITSU LTD47 citations92
US5666314ASep 9, 1997
Semiconductor memory device for selecting and deselecting blocks of word lines
FUJITSU LTD18 citations92
US5463583AOct 31, 1995
Non-volatile semiconductor memory device
FUJITSU LTD48 citations92
US5406524AApr 11, 1995
Nonvolatile semiconductor memory that eases the dielectric strength requirements
FUJITSU LTD24 citations92
US5237530AAug 17, 1993
Frasable non-volatile semiconductor memory device having read/write test function
FUJITSU LTD28 citations92
US5815440ASep 29, 1998
Semiconductor memory device with electrically controllable threshold voltage
FUJITSU LTD7 citations74
US5581107ADec 3, 1996
Nonvolatile semiconductor memory that eases the dielectric strength requirements
FUJITSU LTD10 citations73
US6611464B2Aug 26, 2003
Nonvolatile semiconductor memory device having electrically and collectively erasable characteristics
FUJITSU LTD0 citations52
US6563738B2May 13, 2003
Nonvolatile semiconductor memory device having electrically and collectively erasable characteristics
FUJITSU LTD0 citations52