Inventor
NAMBU HIROAKI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “NAMBU HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
21 patentsUS6333645B1Dec 25, 2001
Clocked logic gate circuit
HITACHI LTD23 citations92
US6333881B1Dec 25, 2001
Semiconductor memory
HITACHI LTD23 citations92
US6075729AJun 13, 2000
High-speed static random access memory
HITACHI LTD20 citations92
US5523966AJun 4, 1996
Memory cell and a memory device having reduced soft error
HITACHI LTD36 citations92
US5402377AMar 28, 1995
Semiconductor memory device having a controlled auxiliary decoder
HITACHI LTD32 citations92
US5163022ANov 10, 1992
Semiconductor cell memory with current sensing
HITACHI LTD42 citations92
US6316961B2Nov 13, 2001
Clocked logic gate circuit
HITACHI LTD6 citations74
US6677782B2Jan 13, 2004
Semiconductor integrated circuit and semiconductor logic circuit used in the integrated circuit
HITACHI LTD7 citations73
US6369617B1Apr 9, 2002
Semiconductor integrated circuit and semiconductor logic circuit used in the integrated circuit
HITACHI LTD6 citations73
US6337581B1Jan 8, 2002
Signal transmission circuit and semiconductor memory using the same
HITACHI LTD9 citations73
US6229745B1May 8, 2001
Semiconductor memory
HITACHI LTD12 citations73
US5255225AOct 19, 1993
Semiconductor integrated circuit device and memory consisting of semiconductor integrated circuit
HITACHI LTD18 citations73
US5086414AFeb 4, 1992
Semiconductor device having latch means
HITACHI LTD15 citations73
US5398201AMar 14, 1995
Bit-line drive circuit for a semiconductor memory
HITACHI LTD12 citations72
US6617610B2Sep 9, 2003
Semiconductor integrated circuit
HITACHI LTD2 citations62
US6438050B1Aug 20, 2002
Signal transmission circuit and semiconductor memory using the same
HITACHI LTD3 citations62
US4642486AFeb 10, 1987
Decoder circuit using transistors or diodes of different characteristics
HITACHI LTD3 citations62
US5448527ASep 5, 1995
Decoder and driver for use in a semiconductor memory
HITACHI LTD2 citations59
US6476644B2Nov 5, 2002
Clocked logic gate circuit
HITACHI LTD0 citations52
US7233045B2Jun 19, 2007
Semiconductor device and system
HITACHI LTD0 citations51
US6356493B1Mar 12, 2002
Signal transmission circuit and semiconductor memory using the same
HITACHI LTD1 citations51
RENESAS TECH CORP
12 patentsUS6876573B2Apr 5, 2005
Semiconductor memory device
RENESAS TECH CORP16 citations92
US6657887B2Dec 2, 2003
Semiconductor memory device having improved noise margin, faster read rate and reduced power consumption
RENESAS TECH CORP36 citations92
US7164592B2Jan 16, 2007
Semiconductor device
RENESAS TECH CORP7 citations74
US6791895B2Sep 14, 2004
Semiconductor memory device
RENESAS TECH CORP6 citations74
US7296173B2Nov 13, 2007
Semiconductor integrated circuit
RENESAS TECH CORP9 citations73
US6806516B2Oct 19, 2004
Semiconductor device and system
RENESAS TECH CORP11 citations72
US7426152B2Sep 16, 2008
Semiconductor memory device and semiconductor device
RENESAS TECH CORP5 citations71
US7123534B2Oct 17, 2006
Semiconductor memory device having short refresh time
RENESAS TECH CORP4 citations63
US6842394B2Jan 11, 2005
Semiconductor device using SCL circuit
RENESAS TECH CORP4 citations63
US6807115B2Oct 19, 2004
Method of testing a semiconductor integrated device
RENESAS TECH CORP4 citations62
US7685455B2Mar 23, 2010
Semiconductor integrated circuit which generates internal clock signal for fetching input data synchronously with the internal clock signal without decrease of timing margin
RENESAS TECH CORP1 citations51
US7269086B2Sep 11, 2007
Semiconductor memory device and semiconductor device
RENESAS TECH CORP1 citations50