Inventor · disambiguated record
Kousuke Okuyama
Also filed as: OKUYAMA KOUSUKE
57 granted patents·3 pending applications·1,509 citations·filing 1985–2011
99Inventor score
Files withHITACHI LTD26RENESAS TECH CORP18RENESAS ELECTRONICS CORP4ELPIDA MEMORY INC3HITACHI ULSI SYS CO LTD3
Top patents by PatentIndex Score
60 records- 0199US6771538B2Semiconductor integrated circuit and nonvolatile memory elementRENESAS TECH CORP·Filed 2003·Granted Aug 3, 2004·172 cites·10 claims
- 0299US6614684B1Semiconductor integrated circuit and nonvolatile memory elementHITACHI LTD·Filed 2000·Granted Sep 2, 2003·353 cites·26 claims
- 0397US7981738B2Semiconductor memory device and a method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2010·Granted Jul 19, 2011·27 cites·8 claims
- 0495US7829952B2Semiconductor memory device and a method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2009·Granted Nov 9, 2010·26 cites·16 claims
- 0595US7098478B2Semiconductor memory device using vertical-channel transistorsRENESAS TECH CORP·Filed 2005·Granted Aug 29, 2006·33 cites·20 claims
- 0695US6670642B2Semiconductor memory device using vertical-channel transistorsRENESAS TECH CORP·Filed 2002·Granted Dec 30, 2003·83 cites·23 claims
- 0795US4652897ASemiconductor memory deviceHITACHI LTD·Filed 1985·Granted Mar 24, 1987·106 cites·19 claims
- 0893US7087955B2Semiconductor device and a method of manufacturing the sameRENESAS TECH CORP·Filed 2004·Granted Aug 8, 2006·27 cites·25 claims
- 0992US8476138B2Semiconductor memory device and a method of manufacturing the same, a method of manufacturing a vertical MISFET and a vertical MISFET, and a method of manufacturing a semiconductor device and a semiconductor deviceCHAKIHARA HIRAKU·Filed 2011·Granted Jul 2, 2013·12 cites·7 claims
- 1091US7411301B2Semiconductor integrated circuit deviceRENESAS TECH CORP·Filed 2005·Granted Aug 12, 2008·16 cites·20 claims
- 1190US7463517B2Semiconductor integrated circuit and nonvolatile memory elementRENESAS TECH CORP·Filed 2007·Granted Dec 9, 2008·13 cites·4 claims
- 1290US7428167B2Semiconductor integrated circuit and nonvolatile memory elementRENESAS TECH CORP·Filed 2006·Granted Sep 23, 2008·13 cites·4 claims
- 1390US4697198AMOSFET which reduces the short-channel effectHITACHI LTD·Filed 1985·Granted Sep 29, 1987·64 cites·18 claims
- 1488US7972920B2Semiconductor memory device and a method of manufacturing the same, a method of manufacturing a vertical MISFET and a vertical MISFET, and a method of manufacturing a semiconductor device and a semiconductor deviceHITACHI ULSI SYS CO LTD·Filed 2010·Granted Jul 5, 2011·7 cites·12 claims
- 1588US7289361B2Semiconductor integrated circuit and nonvolatile memory elementRENESAS TECH CORP·Filed 2006·Granted Oct 30, 2007·12 cites·4 claims
- 1688US6545311B2Semiconductor integrated circuit and nonvolatile memory elementHITACHI LTD·Filed 2001·Granted Apr 8, 2003·29 cites·14 claims
- 1787US7042764B2Semiconductor integrated circuit and nonvolatile memory elementRENESAS TECH CORP·Filed 2005·Granted May 9, 2006·11 cites·4 claims
- 1887US6906954B2Semiconductor integrated circuit and nonvolatile memory elementRENESAS TECH CORP·Filed 2004·Granted Jun 14, 2005·24 cites·13 claims
- 1983US7598133B2Semiconductor memory device and a method of manufacturing the sameRENESAS TECH CORP·Filed 2007·Granted Oct 6, 2009·9 cites·22 claims
- 2081US7701020B2Semiconductor memory device and a method of manufacturing the same, a method of manufacturing a vertical MISFET and a vertical MISFET, and a method of manufacturing a semiconductor device and a semiconductor deviceRENESAS TECH CORP·Filed 2009·Granted Apr 20, 2010·5 cites·7 claims
- 2181US7349250B2Semiconductor deviceRENESAS TECH CORP·Filed 2005·Granted Mar 25, 2008·7 cites·19 claims
- 2281US7190031B2Semiconductor memory device and a method of manufacturing the same, a method of manufacturing a vertical MISFET and a vertical MISFET, and a method of manufacturing a semiconductor device and a semiconductor deviceHITACHI ULSI SYS CO LTD·Filed 2003·Granted Mar 13, 2007·18 cites·71 claims
- 2381US6528839B2Semiconductor integrated circuit and nonvolatile memory elementFiled 2001·Granted Mar 4, 2003·17 cites·36 claims
- 2481US4717684ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1986·Granted Jan 5, 1988·41 cites·29 claims
- 2579US6825504B2Semiconductor integrated circuit device and method of manufacturing the sameHITACHI LTD·Filed 2002·Granted Nov 30, 2004·27 cites·14 claims
- 2677US7495289B2Semiconductor memory device and a method of manufacturing the same, a method of manufacturing a vertical MISFET and a vertical MISFET, and a method of manufacturing a semiconductor device and a semiconductor deviceRENESAS TECH CORP·Filed 2006·Granted Feb 24, 2009·4 cites·10 claims
- 2776US6953728B2Semiconductor device and method of manufacturing thereofHITACHI LTD·Filed 2004·Granted Oct 11, 2005·17 cites·5 claims
- 2876US6727146B2Semiconductor device and method of manufacturing thereofHITACHI LTD·Filed 2002·Granted Apr 27, 2004·17 cites·2 claims
- 2976US5276346ASemiconductor integrated circuit device having protective/output elements and internal circuitsHITACHI LTD·Filed 1992·Granted Jan 4, 1994·29 cites·4 claims
- 3075US5610089AMethod of fabrication of semiconductor integrated circuit deviceHITACHI LTD·Filed 1995·Granted Mar 11, 1997·40 cites·19 claims
- 3173US7161215B2Semiconductor memory device and method of manufacturing the same, a method of manufacturing a vertical MISFET and a vertical MISFET, and a method of manufacturing a semiconductor device and a semiconductor deviceHITACHI ULSI SYS CO LTD·Filed 2006·Granted Jan 9, 2007·3 cites·9 claims
- 3272US5508540ASemiconductor integrated circuit device and process of manufacturing the sameHITACHI LTD·Filed 1994·Granted Apr 16, 1996·30 cites·24 claims
- 3371US7977238B2Method of manufacturing a semiconductor integrated circuit deviceRENESAS ELECTRONICS CORP·Filed 2010·Granted Jul 12, 2011·2 cites·16 claims
- 3469US6621108B2Semiconductor device and the process of manufacturing the semiconductor deviceHITACHI LTD·Filed 2001·Granted Sep 16, 2003·16 cites·9 claims
- 3566US7786585B2Semiconductor integrated circuit deviceRENESAS ELECTRONICS CORP·Filed 2008·Granted Aug 31, 2010·2 cites·32 claims
- 3665US6943373B2Semiconductor memory device using vertical-channel transistorsRENESAS TECH CORP·Filed 2003·Granted Sep 13, 2005·9 cites·18 claims
- 3765US5534723ASemiconductor integrated circuit device having output and internal circuit MISFETSHITACHI LTD·Filed 1995·Granted Jul 9, 1996·18 cites·13 claims
- 3864US4818716ASemiconductor device and manufacturing method thereofHITACHI LTD·Filed 1987·Granted Apr 4, 1989·19 cites·26 claims
- 3964US4784968AProcess for manufacturing a semiconductor device having MIS-type field effect transistors with impurity region below the gate electrodeHITACHI LTD·Filed 1987·Granted Nov 15, 1988·20 cites·23 claims
- 4061US4637124AProcess for fabricating semiconductor integrated circuit deviceHITACHI LTD·Filed 1985·Granted Jan 20, 1987·20 cites·16 claims
- 4160US6469325B1Semiconductor integrated circuit device and its manufactureHITACHI LTD·Filed 1997·Granted Oct 22, 2002·21 cites·29 claims
- 4260US5880497ASemiconductor integrated circuit device having capacitance element and process of manufacturing the sameHITACHI LTD·Filed 1996·Granted Mar 9, 1999·18 cites·30 claims
- 4360US4898840ASemiconductor integrated circuit device and a method of producing the sameHITACHI LTD·Filed 1988·Granted Feb 6, 1990·15 cites·12 claims
- 4459US7719052B2Semiconductor deviceRENESAS TECH CORP·Filed 2008·Granted May 18, 2010·1 cites·15 claims
- 4559US6828242B2Method for manufacturing semiconductor integrated circuit deviceHITACHI LTD·Filed 2002·Granted Dec 7, 2004·6 cites·11 claims
- 4653US7687849B2Method for manufacturing semiconductor integrated circuit deviceELPIDA MEMORY INC·Filed 2008·Granted Mar 30, 2010·0 cites·15 claims
- 4753US7067888B2Semiconductor device and a method of manufacturing the sameRENESAS TECH CORP·Filed 2001·Granted Jun 27, 2006·6 cites·14 claims
- 4851US7417291B2Method for manufacturing semiconductor integrated circuit deviceELPIDA MEMORY INC·Filed 2007·Granted Aug 26, 2008·0 cites·14 claims
- 4951US7279754B2Semiconductor memory device and a method of manufacturing the sameRENESAS TECH CORP·Filed 2003·Granted Oct 9, 2007·4 cites·9 claims
- 5051US5436483ASemiconductor integrated circuit device having a first MISFET of an output buffer circuit and a second MISFET of an internal circuitHITACHI LTD·Filed 1993·Granted Jul 25, 1995·10 cites·23 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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