Inventor
TAKEGUCHI TETSUJI
JP14 patents
Patents
14 patentsUS5608670AMar 4, 1997
Flash memory with improved erasability and its circuitry
FUJITSU LTD66 citations96
US5576637ANov 19, 1996
XOR CMOS logic gate
FUJITSU LTD40 citations96
US5619450AApr 8, 1997
Drive circuit for flash memory with improved erasability
FUJITSU LTD54 citations95
US5770963AJun 23, 1998
Flash memory with improved erasability and its circuitry
FUJITSU LTD19 citations92
US5592419AJan 7, 1997
Flash memory with improved erasability and its circuitry
FUJITSU LTD23 citations92
US5400276AMar 21, 1995
Electrically erasable nonvolatile semiconductor memory that permits data readout despite the occurrence of over-erased memory cells
FUJITSU LTD23 citations92
US4720818AJan 19, 1988
Semiconductor memory device adapted to carry out operation test
FUJITSU LTD25 citations92
US6735120B2May 11, 2004
Semiconductor device having a high-speed data read operation
FUJITSU LTD15 citations91
US6532174B2Mar 11, 2003
Semiconductor memory device having high speed data read operation
FUJITSU LTD15 citations91
US6215717B1Apr 10, 2001
Semiconductor memory device for reducing a time needed for performing a protecting operation
FUJITSU LTD20 citations89
US5631597AMay 20, 1997
Negative voltage circuit for a flash memory
FUJITSU LTD10 citations82
US6928000B2Aug 9, 2005
Semiconductor memory device having a resistance adjustment unit
FUJITSU LTD2 citations61
US7266015B2Sep 4, 2007
Redundancy substitution method, semiconductor memory device and information processing apparatus
FUJITSU LTD0 citations51
US7227784B2Jun 5, 2007
Nonvolatile semiconductor memory device performing erase operation that creates narrow threshold distribution
FUJITSU LTD0 citations41