Inventor
KAWAMOTO YOSHIFUMI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMOTO YOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
34 patentsUS6432769B1Aug 13, 2002
Semiconductor integrated circuit device and process for manufacture the same
HITACHI LTD131 citations99
US6099598AAug 8, 2000
Fabrication system and fabrication method
HITACHI LTD99 citations99
US5820679AOct 13, 1998
Fabrication system and method having inter-apparatus transporter
HITACHI LTD144 citations99
US5106775AApr 21, 1992
Process for manufacturing vertical dynamic random access memories
HITACHI LTD507 citations99
US5981399ANov 9, 1999
Method and apparatus for fabricating semiconductor devices
HITACHI LTD114 citations97
US5858863AJan 12, 1999
Fabrication system and method having inter-apparatus transporter
HITACHI LTD63 citations96
US5562800AOct 8, 1996
Wafer transport method
HITACHI LTD69 citations96
US5196910AMar 23, 1993
Semiconductor memory device with recessed array region
HITACHI LTD108 citations96
US5140389AAug 18, 1992
Semiconductor memory device having stacked capacitor cells
HITACHI LTD74 citations96
US4970564ANov 13, 1990
Semiconductor memory device having stacked capacitor cells
HITACHI LTD99 citations96
US4882289ANov 21, 1989
Method of making a semiconductor memory device with recessed array region
HITACHI LTD85 citations96
US4853894AAug 1, 1989
Static random-access memory having multilevel conductive layer
HITACHI LTD58 citations96
US4751557AJun 14, 1988
Dram with FET stacked over capacitor
HITACHI LTD45 citations96
US6479899B1Nov 12, 2002
Semiconductor integrated circuit device and process for manufacturing the same
HITACHI LTD26 citations93
US5357131AOct 18, 1994
Semiconductor memory with trench capacitor
HITACHI LTD32 citations93
US4967247AOct 30, 1990
Vertical dynamic random access memory
HITACHI LTD29 citations93
US4901128AFeb 13, 1990
Semiconductor memory
HITACHI LTD25 citations93
US5601686AFeb 11, 1997
Wafer transport method
HITACHI LTD26 citations92
USRE38296ENov 4, 2003
Semiconductor memory device with recessed array region
HITACHI LTD17 citations84
US6355517B1Mar 12, 2002
Method for fabricating semiconductor memory with a groove
HITACHI LTD17 citations84
US5200635AApr 6, 1993
Semiconductor device having a low-resistivity planar wiring structure
HITACHI LTD20 citations82
US6700152B2Mar 2, 2004
Dynamic random access memory including a logic circuit and an improved storage capacitor arrangement
HITACHI LTD6 citations74
US5591998AJan 7, 1997
Semiconductor memory device
HITACHI LTD6 citations74
US5583358ADec 10, 1996
Semiconductor memory device having stacked capacitors
HITACHI LTD11 citations74
US5426326AJun 20, 1995
Semiconductor device including arrangement for reducing junction degradation
HITACHI LTD17 citations74
US5374576ADec 20, 1994
Method of fabricating stacked capacitor cell memory devices
HITACHI LTD11 citations74
US5237528AAug 17, 1993
Semiconductor memory
HITACHI LTD18 citations74
US5214496AMay 25, 1993
Semiconductor memory
HITACHI LTD13 citations74
US5118633AJun 2, 1992
Method for manufacturing a bicmos semiconductor device
HITACHI LTD8 citations74
US5017981AMay 21, 1991
Semiconductor memory and method for fabricating the same
HITACHI LTD8 citations74
US5012310AApr 30, 1991
Semiconductor memory having stacked capacitor
HITACHI LTD19 citations74
US5012312AApr 30, 1991
Semiconductor integrated circuit and a process for producing the same
HITACHI LTD8 citations74
US4984030AJan 8, 1991
Vertical MOSFET DRAM
HITACHI LTD13 citations74
US4873203AOct 10, 1989
Method for formation of insulation film on silicon buried in trench
HITACHI LTD12 citations74
RENESAS TECH CORP
5 patentsUS7062344B2Jun 13, 2006
Fabrication system and fabrication method
RENESAS TECH CORP32 citations96
US7603194B2Oct 13, 2009
Fabrication system and fabrication method
RENESAS TECH CORP6 citations74
US7392106B2Jun 24, 2008
Fabrication system and fabrication method
RENESAS TECH CORP8 citations74
US7310563B2Dec 18, 2007
Fabrication system and fabrication method
RENESAS TECH CORP6 citations74
US6878586B2Apr 12, 2005
Semiconductor memory device
RENESAS TECH CORP1 citations52