Inventor
HIGASHIHO MITSUHIRO
JP14 patents
Patents
14 patentsUS6049239AApr 11, 2000
Variable delay circuit and semiconductor integrated circuit device
FUJITSU LTD88 citations98
US6377101B1Apr 23, 2002
Variable delay circuit and semiconductor integrated circuit device
FUJITSU LTD19 citations92
US6111802AAug 29, 2000
Semiconductor memory device
FUJITSU LTD23 citations92
US5936912AAug 10, 1999
Electronic device and semiconductor memory device using the same
FUJITSU LTD48 citations92
US5701096ADec 23, 1997
Charge-pump type booster circuit
FUJITSU LTD43 citations92
US6618310B2Sep 9, 2003
Synchronous semiconductor memory device and refresh method thereof
FUJITSU LTD16 citations84
US5943253AAug 24, 1999
Semiconductor memory device with efficient layout
FUJITSU LTD11 citations74
US6795363B2Sep 21, 2004
Refresh control method of semiconductor memory device and semiconductor memory device comprising the same control method
FUJITSU LTD12 citations73
US6633505B2Oct 14, 2003
Semiconductor memory device, control method thereof, and control method of semiconductor device
FUJITSU LTD2 citations62
US6351432B1Feb 26, 2002
Synchronous semiconductor memory apparatus and input information latch control method thereof
FUJITSU LTD4 citations61
US6512717B2Jan 28, 2003
Semiconductor memory device having a relaxed pitch for sense amplifiers
FUJITSU LTD1 citations52
US7085188B2Aug 1, 2006
Semiconductor memory device, control method thereof, and control method of semiconductor device
FUJITSU LTD0 citations51
US7035156B2Apr 25, 2006
Semiconductor memory device control method thereof, and control method of semiconductor device
FUJITSU LTD0 citations51
US6542417B2Apr 1, 2003
Semiconductor memory and method for controlling the same
FUJITSU LTD1 citations51