Inventor · disambiguated record
Yoshifumi Kawamoto
Also filed as: KAWAMOTO YOSHIFUMI
41 granted patents·2 pending applications·2,086 citations·filing 1984–2009
99Inventor score
Top patents by PatentIndex Score
43 records- 0199US5106775AProcess for manufacturing vertical dynamic random access memoriesHITACHI LTD·Filed 1990·Granted Apr 21, 1992·507 cites·10 claims
- 0298US6432769B1Semiconductor integrated circuit device and process for manufacture the sameHITACHI LTD·Filed 2000·Granted Aug 13, 2002·131 cites·3 claims
- 0396US5820679AFabrication system and method having inter-apparatus transporterHITACHI LTD·Filed 1996·Granted Oct 13, 1998·144 cites·1 claims
- 0494US6099598AFabrication system and fabrication methodHITACHI LTD·Filed 1998·Granted Aug 8, 2000·99 cites·9 claims
- 0594US5196910ASemiconductor memory device with recessed array regionHITACHI LTD·Filed 1991·Granted Mar 23, 1993·108 cites·21 claims
- 0694US4970564ASemiconductor memory device having stacked capacitor cellsHITACHI LTD·Filed 1988·Granted Nov 13, 1990·99 cites·26 claims
- 0792US4882289AMethod of making a semiconductor memory device with recessed array regionHITACHI LTD·Filed 1988·Granted Nov 21, 1989·85 cites·7 claims
- 0891US7062344B2Fabrication system and fabrication methodRENESAS TECH CORP·Filed 2003·Granted Jun 13, 2006·32 cites·12 claims
- 0991US5140389ASemiconductor memory device having stacked capacitor cellsHITACHI LTD·Filed 1990·Granted Aug 18, 1992·74 cites·23 claims
- 1091US4529476AGas for selectively etching silicon nitride and process for selectively etching silicon nitride with the gasSHOWA DENKO KK·Filed 1984·Granted Jul 16, 1985·89 cites·13 claims
- 1190US5981399AMethod and apparatus for fabricating semiconductor devicesHITACHI LTD·Filed 1995·Granted Nov 9, 1999·114 cites·53 claims
- 1289US5858863AFabrication system and method having inter-apparatus transporterHITACHI LTD·Filed 1996·Granted Jan 12, 1999·63 cites·18 claims
- 1388US7392106B2Fabrication system and fabrication methodRENESAS TECH CORP·Filed 2005·Granted Jun 24, 2008·8 cites·8 claims
- 1486US7603194B2Fabrication system and fabrication methodRENESAS TECH CORP·Filed 2008·Granted Oct 13, 2009·6 cites·3 claims
- 1586US7310563B2Fabrication system and fabrication methodRENESAS TECH CORP·Filed 2005·Granted Dec 18, 2007·6 cites·6 claims
- 1686US4853894AStatic random-access memory having multilevel conductive layerHITACHI LTD·Filed 1987·Granted Aug 1, 1989·58 cites·24 claims
- 1782US5562800AWafer transport methodHITACHI LTD·Filed 1994·Granted Oct 8, 1996·69 cites·21 claims
- 1879US4751557ADram with FET stacked over capacitorHITACHI LTD·Filed 1986·Granted Jun 14, 1988·45 cites·11 claims
- 1976US6479899B1Semiconductor integrated circuit device and process for manufacturing the sameHITACHI LTD·Filed 1996·Granted Nov 12, 2002·26 cites·13 claims
- 2070US4967247AVertical dynamic random access memoryHITACHI LTD·Filed 1988·Granted Oct 30, 1990·29 cites·27 claims
- 2168US4901128ASemiconductor memoryHITACHI LTD·Filed 1986·Granted Feb 13, 1990·25 cites·21 claims
- 2265US5601686AWafer transport methodHITACHI LTD·Filed 1996·Granted Feb 11, 1997·26 cites·22 claims
- 2362US6700152B2Dynamic random access memory including a logic circuit and an improved storage capacitor arrangementHITACHI LTD·Filed 2002·Granted Mar 2, 2004·6 cites·14 claims
- 2462US5357131ASemiconductor memory with trench capacitorHITACHI LTD·Filed 1993·Granted Oct 18, 1994·32 cites·5 claims
- 2561US2010131093A1Fabrication system and fabrication methodRENESAS TECH CORP·Filed 2009·Application pending·0 cites
- 2660US5200635ASemiconductor device having a low-resistivity planar wiring structureHITACHI LTD·Filed 1991·Granted Apr 6, 1993·20 cites·5 claims
- 2759USRE38296ESemiconductor memory device with recessed array regionHITACHI LTD·Filed 1995·Granted Nov 4, 2003·17 cites·44 claims
- 2858US5237528ASemiconductor memoryHITACHI LTD·Filed 1992·Granted Aug 17, 1993·18 cites·9 claims
- 2958US5012310ASemiconductor memory having stacked capacitorHITACHI LTD·Filed 1990·Granted Apr 30, 1991·19 cites·20 claims
- 3057US6355517B1Method for fabricating semiconductor memory with a grooveHITACHI LTD·Filed 1993·Granted Mar 12, 2002·17 cites·28 claims
- 3156US5426326ASemiconductor device including arrangement for reducing junction degradationHITACHI LTD·Filed 1993·Granted Jun 20, 1995·17 cites·26 claims
- 3253US5214496ASemiconductor memoryHITACHI LTD·Filed 1989·Granted May 25, 1993·13 cites·42 claims
- 3352US5583358ASemiconductor memory device having stacked capacitorsHITACHI LTD·Filed 1994·Granted Dec 10, 1996·11 cites·12 claims
- 3452US5374576AMethod of fabricating stacked capacitor cell memory devicesHITACHI LTD·Filed 1993·Granted Dec 20, 1994·11 cites·8 claims
- 3547US4984030AVertical MOSFET DRAMHITACHI LTD·Filed 1988·Granted Jan 8, 1991·13 cites·18 claims
- 3645US4873203AMethod for formation of insulation film on silicon buried in trenchHITACHI LTD·Filed 1988·Granted Oct 10, 1989·12 cites·20 claims
- 3744US6878586B2Semiconductor memory deviceRENESAS TECH CORP·Filed 2003·Granted Apr 12, 2005·1 cites·18 claims
- 3844US5017981ASemiconductor memory and method for fabricating the sameHITACHI LTD·Filed 1988·Granted May 21, 1991·8 cites·11 claims
- 3943US5591998ASemiconductor memory deviceHITACHI LTD·Filed 1995·Granted Jan 7, 1997·6 cites·22 claims
- 4041US5118633AMethod for manufacturing a bicmos semiconductor deviceHITACHI LTD·Filed 1990·Granted Jun 2, 1992·8 cites·24 claims
- 4138US5012312ASemiconductor integrated circuit and a process for producing the sameHITACHI LTD·Filed 1988·Granted Apr 30, 1991·8 cites·18 claims
- 4237US2001008288A1Semiconductor integrated circuit device having memory cellsHITACHI LTD·Filed 2000·Application pending·0 cites
- 4330US5038193ASemiconductor integrated circuit deviceHITACHI VLSI·Filed 1990·Granted Aug 6, 1991·6 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →