Inventor · disambiguated record
Satoru Akiyama
Also filed as: AKIYAMA SATORU
64 granted patents·10 pending applications·487 citations·filing 2001–2023
99Inventor score
Top patents by PatentIndex Score
74 records- 0196US9100019B2Semiconductor driver circuit and power conversion deviceHITACHI LTD·Filed 2013·Granted Aug 4, 2015·29 cites·20 claims
- 0295US7603592B2Semiconductor device having a sense amplifier array with adjacent ECCHITACHI LTD·Filed 2006·Granted Oct 13, 2009·50 cites·14 claims
- 0392US9764640B2Travel control apparatus for vehicleSUBARU CORP·Filed 2015·Granted Sep 19, 2017·12 cites·15 claims
- 0492US7304910B1Semiconductor memory device with sub-amplifiers having a variable current sourceHITACHI LTD·Filed 2006·Granted Dec 4, 2007·23 cites·11 claims
- 0591US9048119B2Semiconductor device with normally off and normally on transistorsRENESAS ELECTRONICS CORP·Filed 2013·Granted Jun 2, 2015·12 cites·9 claims
- 0691US7574648B2Semiconductor deviceHITACHI LTD·Filed 2005·Granted Aug 11, 2009·28 cites·19 claims
- 0791US7224629B2Memory device having high speed sense amplifier comprising pull-up circuit and pull-down circuits with different drivability for eachHITACHI LTD·Filed 2005·Granted May 29, 2007·18 cites·15 claims
- 0890US7489588B2Semiconductor memory device having a main amplifier equipped with a current control circuit in a burst read operationHITACHI LTD·Filed 2007·Granted Feb 10, 2009·18 cites·8 claims
- 0989US8199596B2Semiconductor memory device having a plurality of sense amplifier circuitsAKIYAMA SATORU·Filed 2010·Granted Jun 12, 2012·10 cites·19 claims
- 1087US9637107B2Travel control apparatus for vehicleFUJI HEAVY IND LTD·Filed 2015·Granted May 2, 2017·7 cites·16 claims
- 1187US8106441B2Semiconductor device having plural DRAM memory cells and a logic circuit and method for manufacturing the sameAKIYAMA SATORU·Filed 2010·Granted Jan 31, 2012·7 cites·13 claims
- 1287US7492655B2Memory device having high speed sense amplifier comprising pull-up circuit and pull-down circuits with drivability for eachHITACHI LTD·Filed 2007·Granted Feb 17, 2009·13 cites·10 claims
- 1387US7193884B2Semiconductor memory deviceELPIDA MEMORY INC·Filed 2005·Granted Mar 20, 2007·12 cites·23 claims
- 1487US6487135B2Semiconductor deviceHITACHI LTD·Filed 2001·Granted Nov 26, 2002·32 cites·13 claims
- 1585US9776641B2Travel control apparatus for vehicleSUBARU CORP·Filed 2015·Granted Oct 3, 2017·6 cites·20 claims
- 1685US7408218B2Semiconductor device having plural dram memory cells and a logic circuitRENESAS TECH CORP·Filed 2001·Granted Aug 5, 2008·30 cites·21 claims
- 1784US11214299B2Automatic steering control device for vehicleSUBARU CORP·Filed 2019·Granted Jan 4, 2022·4 cites·6 claims
- 1882US7310256B2Semiconductor memory deviceHITACHI LTD·Filed 2005·Granted Dec 18, 2007·8 cites·21 claims
- 1981US7683419B2Semiconductor device having plural DRAM memory cells and a logic circuit and method for manufacturing the sameRENESAS TECH CORP·Filed 2008·Granted Mar 23, 2010·7 cites·7 claims
- 2080US9113060B2Image display device with operation unit excellent in operability and image pickup apparatus having the sameAKIYAMA SATORU·Filed 2012·Granted Aug 18, 2015·4 cites·13 claims
- 2180US7016246B2Three-transistor refresh-free pipelined dynamic random access memoryHITACHI LTD·Filed 2005·Granted Mar 21, 2006·9 cites·11 claims
- 2280US6848035B2Semiconductor device with multi-bank DRAM and cache memoryRENESAS TECH CORP·Filed 2002·Granted Jan 25, 2005·25 cites·13 claims
- 2379US7876627B2Semiconductor memory device having a sense amplifier circuit with decreased offsetHITACHI LTD·Filed 2008·Granted Jan 25, 2011·10 cites·19 claims
- 2479US7505299B2Semiconductor memory deviceHITACHI LTD·Filed 2007·Granted Mar 17, 2009·6 cites·7 claims
- 2578US7804118B2Semiconductor device having plural DRAM memory cells and a logic circuit and method for manufacturing the sameRENESAS TECH CORP·Filed 2009·Granted Sep 28, 2010·5 cites·13 claims
- 2678US7659769B2Semiconductor deviceHITACHI LTD·Filed 2007·Granted Feb 9, 2010·9 cites·14 claims
- 2777US7903492B2Semiconductor deviceELPIDA MEMORY INC·Filed 2008·Granted Mar 8, 2011·6 cites·20 claims
- 2877US6671210B2Three-transistor pipelined dynamic random access memoryHITACHI LTD·Filed 2002·Granted Dec 30, 2003·17 cites·10 claims
- 2975US10511301B2Gate drive circuit, power conversion apparatus, and railway vehicleHITACHI LTD·Filed 2016·Granted Dec 17, 2019·3 cites·12 claims
- 3073US9960153B2Semiconductor device and electronic apparatus of a cascode-coupled systemRENESAS ELECTRONICS CORP·Filed 2015·Granted May 1, 2018·3 cites·20 claims
- 3173US7843751B2Semiconductor memory device comprising sense amplifier having P-type sense amplifier and N-type sense amplifiers with different threshold voltagesHITACHI LTD·Filed 2009·Granted Nov 30, 2010·9 cites·5 claims
- 3272US9825166B2Silicon carbide semiconductor device and method for producing sameHITACHI LTD·Filed 2013·Granted Nov 21, 2017·3 cites·19 claims
- 3372US9263435B2Switching element with a series-connected junction FET (JFET) and MOSFET achieving both improved withstand voltage and reduced on-resistanceKANAZAWA TAKAMITSU·Filed 2011·Granted Feb 16, 2016·3 cites·26 claims
- 3472US7995405B2Semiconductor memory device having a sense amplifier circuit with decreased offsetHITACHI LTD·Filed 2010·Granted Aug 9, 2011·4 cites·5 claims
- 3570US11993238B2Vehicle controllerSUBARU CORP·Filed 2021·Granted May 28, 2024·0 cites·10 claims
- 3670US9452760B2Driving control apparatus for vehicleFUJI HEAVY IND LTD·Filed 2015·Granted Sep 27, 2016·2 cites·18 claims
- 3769US8467217B2Semiconductor deviceTAKAYAMA SHINICHI·Filed 2011·Granted Jun 18, 2013·4 cites·10 claims
- 3868US7633833B2Semiconductor memory deviceHITACHI LTD·Filed 2008·Granted Dec 15, 2009·6 cites·18 claims
- 3967US10843714B2Carbody of railcarKAWASAKI HEAVY IND LTD·Filed 2016·Granted Nov 24, 2020·1 cites·18 claims
- 4065US9502388B2Switching element with a series-connected junction FET (JFET) and MOSFET achieving both improved withstand voltage and reduced on-resistanceRENESAS ELECTRONICS CORP·Filed 2016·Granted Nov 22, 2016·1 cites·4 claims
- 4165US7750712B2Timing control circuit, timing generation system, timing control method and semiconductor memory deviceELPIDA MEMORY INC·Filed 2008·Granted Jul 6, 2010·5 cites·19 claims
- 4264US9680380B2Semiconductor device and power conversion deviceHITACHI LTD·Filed 2013·Granted Jun 13, 2017·2 cites·15 claims
- 4364US8692922B2Image pickup apparatusAKIYAMA SATORU·Filed 2011·Granted Apr 8, 2014·1 cites·8 claims
- 4464US7772911B2Timing control circuit and semiconductor storage deviceELPIDA MEMORY INC·Filed 2008·Granted Aug 10, 2010·4 cites·16 claims
- 4562US10607978B2Semiconductor device and electronic apparatusRENESAS ELECTRONICS CORP·Filed 2018·Granted Mar 31, 2020·1 cites·20 claims
- 4662US10115700B2Power module, electrical power conversion device, and driving device for vehicleHITACHI LTD·Filed 2015·Granted Oct 30, 2018·1 cites·10 claims
- 4761US12145530B2Vehicle theft deterrent apparatusSUBARU CORP·Filed 2022·Granted Nov 19, 2024·0 cites·18 claims
- 4861US11993252B2Vehicle control apparatusSUBARU CORP·Filed 2021·Granted May 28, 2024·0 cites·8 claims
- 4961US9590529B2Power conversion deviceHITACHI LTD·Filed 2012·Granted Mar 7, 2017·1 cites·12 claims
- 5060US8605476B2Semiconductor device having hierarchical structured bit lineSATO TAKENORI·Filed 2010·Granted Dec 10, 2013·2 cites·20 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →