Inventor
ITANO KIYOSHI
JP26 patents
Patents
26 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
US5608670AMar 4, 1997
Flash memory with improved erasability and its circuitry
FUJITSU LTD66 citations96
US5576637ANov 19, 1996
XOR CMOS logic gate
FUJITSU LTD40 citations96
US5770963AJun 23, 1998
Flash memory with improved erasability and its circuitry
FUJITSU LTD19 citations92
US5666314ASep 9, 1997
Semiconductor memory device for selecting and deselecting blocks of word lines
FUJITSU LTD18 citations92
US5638323AJun 10, 1997
Nonvolatile semiconductor memory using tunnel effect having a control circuit for simultaneously writing and reading data out of a plurality of memory cells
FUJITSU LTD22 citations92
US5592419AJan 7, 1997
Flash memory with improved erasability and its circuitry
FUJITSU LTD23 citations92
US5406524AApr 11, 1995
Nonvolatile semiconductor memory that eases the dielectric strength requirements
FUJITSU LTD24 citations92
US5105388AApr 14, 1992
Programmable logic device including verify circuit for macro-cell
FUJITSU LTD31 citations91
US4906862AMar 6, 1990
Semiconductor integrated circuit device having power down mode
FUJITSU LTD32 citations91
US5631597AMay 20, 1997
Negative voltage circuit for a flash memory
FUJITSU LTD10 citations82
US4614881ASep 30, 1986
Integrated semiconductor circuit device for generating a switching control signal using a flip-flop circuit including CMOS FET's and flip-flop setting means
FUJITSU LTD25 citations82
US5815440ASep 29, 1998
Semiconductor memory device with electrically controllable threshold voltage
FUJITSU LTD7 citations74
US5353249AOct 4, 1994
Non-volatile semiconductor memory device
FUJITSU LTD10 citations74
US4604730AAug 5, 1986
Semiconductor memory device
FUJITSU LTD17 citations74
US5581107ADec 3, 1996
Nonvolatile semiconductor memory that eases the dielectric strength requirements
FUJITSU LTD10 citations73
US4912677AMar 27, 1990
Programmable logic device
FUJITSU LTD17 citations72
US4893033AJan 9, 1990
Programmable logic array having input transition detection for generating precharge
FUJITSU LTD13 citations72
US6008544ADec 28, 1999
Semiconductor device and manufacturing method of the semiconductor device
FUJITSU LTD3 citations63
US4615021ASep 30, 1986
Semiconductor memory device
FUJITSU LTD3 citations63
US6750520B2Jun 15, 2004
Two-bit semiconductor memory with enhanced carrier trapping
FUJITSU LTD2 citations62
US6574149B2Jun 3, 2003
Semiconductor memory and its usage
FUJITSU LTD6 citations61
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
US6284638B1Sep 4, 2001
Manufacturing method of a semiconductor device
FUJITSU LTD1 citations52