Inventor
YAMANAKA TOSHIAKI
JP69 patents
⚠️ This page may combine multiple inventors who share the name “YAMANAKA TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
40 patentsUS5834851ANov 10, 1998
SRAM having load transistor formed above driver transistor
HITACHI LTD235 citations99
US6130449AOct 10, 2000
Semiconductor memory device and a method for fabricating the same
HITACHI LTD114 citations98
US6548885B2Apr 15, 2003
Semiconductor integrated circuit device and process for manufacturing the same
HITACHI LTD22 citations96
US5946565AAug 31, 1999
Semiconductor integrated circuit device and process for manufacturing the same
HITACHI LTD34 citations96
US5754467AMay 19, 1998
Semiconductor integrated circuit device and process for manufacturing the same
HITACHI LTD38 citations96
US5731219AMar 24, 1998
Process for fabricating a semiconductor integrated circuit device
HITACHI LTD28 citations96
US5483083AJan 9, 1996
Semiconductor integrated circuit device
HITACHI LTD60 citations96
US5194749AMar 16, 1993
Semiconductor integrated circuit device
HITACHI LTD74 citations96
US5132771AJul 21, 1992
Semiconductor memory device having flip-flop circuits
HITACHI LTD56 citations96
US5072286ADec 10, 1991
Semiconductor memory device having memory cells including IG FETs in a symmetrical arrangement
HITACHI LTD109 citations96
US4853894AAug 1, 1989
Static random-access memory having multilevel conductive layer
HITACHI LTD58 citations96
US6617205B1Sep 9, 2003
Semiconductor storage device and process for manufacturing the same
HITACHI LTD14 citations93
US6495870B1Dec 17, 2002
Semiconductor device and method for patterning the semiconductor device in which line patterns terminate at different lengths to prevent the occurrence of a short or break
HITACHI LTD25 citations93
US6407420B1Jun 18, 2002
Integrated circuit device having line width determined by side wall spacer provided in openings formed in insulating film for connection conductors
HITACHI LTD45 citations93
US6376304B1Apr 23, 2002
Semiconductor memory device and a method for fabricating the same
HITACHI LTD39 citations93
US5134581AJul 28, 1992
Highly stable semiconductor memory with a small memory cell area
HITACHI LTD26 citations93
US5034797AJul 23, 1991
Semiconductor memory devices having stacked polycrystalline silicon transistors
HITACHI LTD40 citations93
US4805147AFeb 14, 1989
Stacked static random access memory cell having capacitor
HITACHI LTD54 citations93
US6953728B2Oct 11, 2005
Semiconductor device and method of manufacturing thereof
HITACHI LTD17 citations92
US6727146B2Apr 27, 2004
Semiconductor device and method of manufacturing thereof
HITACHI LTD17 citations92
US5652457AJul 29, 1997
Semiconductor integrated circuit device and process for fabricating the same
HITACHI LTD20 citations92
US5572480ANov 5, 1996
Semiconductor integrated circuit device and process for fabricating the same
HITACHI LTD25 citations92
US5296729AMar 22, 1994
Semiconductor memory device having static random access memory
HITACHI LTD48 citations92
US4849801AJul 18, 1989
Semiconductor memory device having increased capacitance for the storing nodes of the memory cells
HITACHI LTD33 citations92
US4785342ANov 15, 1988
Static random access memory having structure of first-, second- and third-level conductive films
HITACHI LTD38 citations92
US5880497AMar 9, 1999
Semiconductor integrated circuit device having capacitance element and process of manufacturing the same
HITACHI LTD18 citations91
US5508540AApr 16, 1996
Semiconductor integrated circuit device and process of manufacturing the same
HITACHI LTD30 citations91
US5455438AOct 3, 1995
Semiconductor integrated circuit device in which kink current disturbances of MOS transistors are suppressed
HITACHI LTD29 citations91
US6661048B2Dec 9, 2003
Semiconductor memory device having self-aligned wiring conductor
HITACHI LTD15 citations84
US6307217B1Oct 23, 2001
Semiconductor memory device having driver and load MISFETs and capacitor elements
HITACHI LTD15 citations83
US6211004B1Apr 3, 2001
Semiconductor integrated circuit device and process for manufacturing the same
HITACHI LTD8 citations82
US5700704ADec 23, 1997
Process for fabricating a semiconductor integrated circuit device
HITACHI LTD15 citations82
US5700705ADec 23, 1997
Semiconductor integrated circuit device
HITACHI LTD17 citations82
US5656836AAug 12, 1997
Semiconductor integrated circuit device and process for fabricating the same
HITACHI LTD14 citations82
US7582921B2Sep 1, 2009
Semiconductor device and method for patterning
HITACHI LTD6 citations74
US7105873B2Sep 12, 2006
Semiconductor device and method for patterning
HITACHI LTD6 citations74
US6831316B1Dec 14, 2004
Semiconductor memory device and method of manufacturing the same
HITACHI LTD11 citations74
US6798005B2Sep 28, 2004
Semiconductor memory device having large storage capacity and minimal step height between memory cell and peripheral circuits
HITACHI LTD8 citations74
US6791134B2Sep 14, 2004
Semiconductor memory device and manufacturing method thereof
HITACHI LTD6 citations74
US6677194B2Jan 13, 2004
Method of manufacturing a semiconductor integrated circuit device
HITACHI LTD11 citations74
RENESAS TECH CORP
5 patentsUS6809399B2Oct 26, 2004
Semiconductor integrated circuit device and process for manufacturing the same
RENESAS TECH CORP109 citations99
US7049680B2May 23, 2006
Semiconductor integrated circuit device and process for manufacturing the same
RENESAS TECH CORP14 citations92
US7456486B2Nov 25, 2008
Semiconductor integrated circuit device and process for manufacturing the same
RENESAS TECH CORP8 citations82
US7253051B2Aug 7, 2007
Semiconductor integrated circuit device and process for manufacturing the same
RENESAS TECH CORP8 citations82
US7511377B2Mar 31, 2009
Semiconductor integrated circuit device and process for manufacturing the same
RENESAS TECH CORP2 citations74
BRIDGESTONE SPORTS CO LTD
1 patentIKEDA SHUJI
1 patentBRIDGESOTNE SPORTS CO LTD
1 patentHITICHI LTD
1 patentRENESAS ELECTRONICS CORP
1 patentShowing the top 50 of 69 patents by PatentIndex Score.