Inventor
ITO SHIGEMASA
JP10 patents
⚠️ This page may combine multiple inventors who share the name “ITO SHIGEMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
9 patentsUS5675280AOct 7, 1997
Semiconductor integrated circuit device having built-in step-down circuit for stepping down external power supply voltage
FUJITSU LTD94 citations95
US5499213AMar 12, 1996
Semiconductor memory device having self-refresh function
FUJITSU LTD35 citations92
US6353565B2Mar 5, 2002
Semiconductor device, semiconductor memory device and test-mode entry method
FUJITSU LTD20 citations91
US7227801B2Jun 5, 2007
Semiconductor memory device with reliable fuse circuit
FUJITSU LTD10 citations83
US7286434B2Oct 23, 2007
Semiconductor memory device with shift register-based refresh address generation circuit
FUJITSU LTD7 citations72
US7145825B2Dec 5, 2006
Semiconductor memory device with shift register-based refresh address generation circuit
FUJITSU LTD5 citations72
US6577550B2Jun 10, 2003
Control circuit and semiconductor memory device
FUJITSU LTD9 citations72
US7315481B2Jan 1, 2008
Semiconductor memory
FUJITSU LTD6 citations61
US6351432B1Feb 26, 2002
Synchronous semiconductor memory apparatus and input information latch control method thereof
FUJITSU LTD4 citations61