Inventor
FUKUSHI ISAO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “FUKUSHI ISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
14 patentsUS4757474AJul 12, 1988
Semiconductor memory device having redundancy circuit portion
FUJITSU LTD180 citations98
US6292418B1Sep 18, 2001
Semiconductor memory device
FUJITSU LTD24 citations92
US4796233AJan 3, 1989
Bipolar-transistor type semiconductor memory device having redundancy configuration
FUJITSU LTD36 citations92
US7227769B2Jun 5, 2007
Semiconductor memory
FUJITSU LTD12 citations84
US6836426B1Dec 28, 2004
Semiconductor memory device with proper sensing timing
FUJITSU LTD18 citations84
US4745582AMay 17, 1988
Bipolar-transistor type random access memory device having redundancy configuration
FUJITSU LTD24 citations81
US7436689B2Oct 14, 2008
Non-volatile semiconductor memory
FUJITSU LTD8 citations73
US7212430B2May 1, 2007
Semiconductor memory
FUJITSU LTD8 citations73
US5168467ADec 1, 1992
Semiconductor memory device having sense amplifier protection
FUJITSU LTD11 citations73
US4958094ASep 18, 1990
Emitter follower circuit with MOSFET
FUJITSU LTD9 citations73
US4890018ADec 26, 1989
Bipolar-complementary metal oxide semiconductor circuit
FUJITSU LTD12 citations66
US5124950AJun 23, 1992
Multi-port semiconductor memory
FUJITSU LTD6 citations63
US5315556AMay 24, 1994
Semiconductor memory having improved sense amplifier
FUJITSU LTD3 citations62
US4625299ANov 25, 1986
Bipolar random access memory
FUJITSU LTD3 citations62