Inventor · disambiguated record
Kiyoo Itoh
Also filed as: ITOH KIYOO
225 granted patents·8 pending applications·7,706 citations·filing 1973–2017
99Inventor score
Top patents by PatentIndex Score
233 records- 0199US7379328B2Semiconductor deviceHITACHI LTD·Filed 2007·Granted May 27, 2008·115 cites·2 claims
- 0299US5583457ASemiconductor integrated circuit device having power reduction mechanismHITACHI LTD·Filed 1994·Granted Dec 10, 1996·251 cites·71 claims
- 0398US7759714B2Semiconductor deviceHITACHI LTD·Filed 2007·Granted Jul 20, 2010·121 cites·15 claims
- 0498US7498637B2Semiconductor memoryRENESAS TECH CORP·Filed 2005·Granted Mar 3, 2009·122 cites·3 claims
- 0598US7078273B2Semiconductor memory cell and method of forming sameHITACHI LTD·Filed 2004·Granted Jul 18, 2006·130 cites·19 claims
- 0698US6046627ASemiconductor device capable of operating stably with reduced power consumptionHITACHI LTD·Filed 1998·Granted Apr 4, 2000·157 cites·25 claims
- 0798US5724297ASemiconductor integrated circuit device and method of activating the sameHITACHI LTD·Filed 1996·Granted Mar 3, 1998·138 cites·40 claims
- 0898US5297097ALarge scale integrated circuit for low voltage operationHITACHI LTD·Filed 1989·Granted Mar 22, 1994·121 cites·16 claims
- 0997US7251157B2Semiconductor deviceHITACHI LTD·Filed 2004·Granted Jul 31, 2007·115 cites·20 claims
- 1097US6740921B2Semiconductor memory cell and method of forming sameHITACHI LTD·Filed 2002·Granted May 25, 2004·108 cites·15 claims
- 1197US5952692AMemory device with improved charge storage barrier structureHITACHI LTD·Filed 1997·Granted Sep 14, 1999·255 cites·63 claims
- 1297US5614847ASemiconductor integrated circuit device having power reduction mechanismHITACHI LTD·Filed 1994·Granted Mar 25, 1997·140 cites·29 claims
- 1397US5526313ALarge scale integrated circuit with sense amplifier circuits for low voltage operationHITACHI LTD·Filed 1993·Granted Jun 11, 1996·156 cites·12 claims
- 1497US5197033ASemiconductor device incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditionsHITACHI LTD·Filed 1991·Granted Mar 23, 1993·75 cites·26 claims
- 1596US7639068B2Voltage supply with low power and leakage currentRENESAS TECH CORP·Filed 2006·Granted Dec 29, 2009·28 cites·16 claims
- 1696US7385436B2Fully depleted silicon on insulator semiconductor devicesHITACHI LTD·Filed 2007·Granted Jun 10, 2008·33 cites·7 claims
- 1796US6836179B2Semiconductor integrated circuit deviceRENESAS TECH CORP·Filed 2002·Granted Dec 28, 2004·82 cites·15 claims
- 1896US6560135B2Magnetic semiconductor memory apparatus and method of manufacturing the sameHITACHI LTD·Filed 2001·Granted May 6, 2003·94 cites·22 claims
- 1996US4701884ASemiconductor memory for serial data accessHITACHI LTD·Filed 1986·Granted Oct 20, 1987·120 cites·26 claims
- 2095US7443721B2Semiconductor integrated deviceRENESAS TECH CORP·Filed 2006·Granted Oct 28, 2008·39 cites·22 claims
- 2195US5910924ASemiconductor integrated circuit including voltage converter effective at low operational voltagesHITACHI LTD·Filed 1997·Granted Jun 8, 1999·154 cites·23 claims
- 2295US5668770AStatic memory cell having independent data holding voltageHITACHI LTD·Filed 1996·Granted Sep 16, 1997·125 cites·50 claims
- 2395US5408144ASemiconductor integrated circuits with power reduction mechanismHITACHI LTD·Filed 1994·Granted Apr 18, 1995·61 cites·30 claims
- 2495US4999519ASemiconductor circuit with low power consumption having emitter-coupled logic or differential amplifierHITACHI VLSI ENG·Filed 1988·Granted Mar 12, 1991·165 cites·15 claims
- 2594US7312640B2Semiconductor integrated circuit device having power reduction mechanismRENESAS TECH CORP·Filed 2005·Granted Dec 25, 2007·18 cites·6 claims
- 2694US7116593B2Storage deviceHITACHI LTD·Filed 2002·Granted Oct 3, 2006·60 cites·12 claims
- 2794US7023721B2Semiconductor integrated circuit deviceHITACHI LTD·Filed 2005·Granted Apr 4, 2006·30 cites·6 claims
- 2894US4994688ASemiconductor device having a reference voltage generating circuitHITACHI LTD·Filed 1989·Granted Feb 19, 1991·105 cites·18 claims
- 2993US7750668B2Semiconductor integrated circuit device having power reduction mechanismRENESAS TECH CORP·Filed 2007·Granted Jul 6, 2010·13 cites·7 claims
- 3093US5926430ASemiconductor integrated circuit device and method of activating the sameHITACHI LTD·Filed 1997·Granted Jul 20, 1999·52 cites·46 claims
- 3193US5386135ASemiconductor CMOS memory device with separately biased wellsHITACHI LTD·Filed 1994·Granted Jan 31, 1995·83 cites·12 claims
- 3293US5165009ANeural network processing system using semiconductor memoriesHITACHI LTD·Filed 1990·Granted Nov 17, 1992·77 cites·10 claims
- 3393US4044340ASemiconductor memoryHITACHI LTD·Filed 1975·Granted Aug 23, 1977·39 cites·17 claims
- 3492US6909647B2Semiconductor device having redundancy circuitRENESAS TECH CORP·Filed 2004·Granted Jun 21, 2005·38 cites·11 claims
- 3592US6211531B1Controllable conduction deviceHITACHI LTD·Filed 2000·Granted Apr 3, 2001·63 cites·25 claims
- 3692US5880604ASemiconductor integrated circuit device having power reduction mechanismHITACHI LTD·Filed 1996·Granted Mar 9, 1999·79 cites·57 claims
- 3792US5426616ASemiconductor IC device having a voltage conversion circuit which generates an internal supply voltage having value compensated for external supply voltage variationsHITACHI LTD·Filed 1994·Granted Jun 20, 1995·95 cites·89 claims
- 3892US5272393AVoltage converter of semiconductor deviceHITACHI LTD·Filed 1991·Granted Dec 21, 1993·66 cites·2 claims
- 3992US4730132ASemiconductor device having bipolar transistor and insulated gate field effect transistor with two potential power sourceHITACHI LTD·Filed 1986·Granted Mar 8, 1988·55 cites·12 claims
- 4092US4691304ASemiconductor device having an arrangement for preventing operational errorsHITACHI LTD·Filed 1985·Granted Sep 1, 1987·56 cites·18 claims
- 4191US7772917B2Semiconductor deviceRENESAS TECH CORP·Filed 2009·Granted Aug 10, 2010·12 cites·17 claims
- 4291US6740958B2Semiconductor memory deviceRENESAS TECH CORP·Filed 2002·Granted May 25, 2004·60 cites·27 claims
- 4391US6696865B2Semiconductor integrated circuit device having power reduction mechanismHITACHI LTD·Filed 2002·Granted Feb 24, 2004·32 cites·4 claims
- 4491US4716313APulse drive circuitHITACHI LTD·Filed 1987·Granted Dec 29, 1987·50 cites·9 claims
- 4590US7145383B2Voltage supply with low power and leakage currentRENESAS TECH CORP·Filed 2004·Granted Dec 5, 2006·37 cites·13 claims
- 4690US6337817B1Semiconductor device having redundancy circuitHITACHI LTD·Filed 2000·Granted Jan 8, 2002·34 cites·20 claims
- 4790US6060723AControllable conduction deviceHITACHI LTD·Filed 1998·Granted May 9, 2000·69 cites·26 claims
- 4890US5617365ASemiconductor device having redundancy circuitHITACHI LTD·Filed 1995·Granted Apr 1, 1997·48 cites·25 claims
- 4990US5497023ASemiconductor memory device having separately biased wells for isolationHITACHI LTD·Filed 1994·Granted Mar 5, 1996·67 cites·15 claims
- 5090US5377156ASemiconductor device incorporating main and stand-by boosted internal power supply for compensating for deviation on operating condition and fabrication process conditionsHITACHI LTD·Filed 1992·Granted Dec 27, 1994·36 cites·7 claims
Showing the top 50 of 233 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →