Inventor · disambiguated record
Seiji Funaba
Also filed as: FUNABA SEIJI
45 granted patents·5 pending applications·1,142 citations·filing 2000–2016
98Inventor score
Files withELPIDA MEMORY INC31HITACHI LTD7FUNABA SEIJI4HITACHI AUTOMOTIVE SYSTEMS LTD3AKAISHI YOSHIO1
Top patents by PatentIndex Score
50 records- 0198US6628538B2Memory module including module data wirings available as a memory access data busHITACHI LTD·Filed 2002·Granted Sep 30, 2003·151 cites·9 claims
- 0296US6269051B1Semiconductor device and timing control circuitHITACHI LTD·Filed 2000·Granted Jul 31, 2001·91 cites·4 claims
- 0395US8064222B2Semiconductor integrated circuit deviceNISHIO YOJI·Filed 2008·Granted Nov 22, 2011·32 cites·21 claims
- 0495US7102905B2Stacked memory, memory module and memory systemELPIDA MEMORY INC·Filed 2004·Granted Sep 5, 2006·100 cites·27 claims
- 0591US8686694B2Discharge circuit for smoothing capacitor of DC power supplyHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Apr 1, 2014·17 cites·7 claims
- 0691US7478287B2Semiconductor integrated circuit and electronic deviceELPIDA MEMORY INC·Filed 2005·Granted Jan 13, 2009·17 cites·6 claims
- 0791US7282791B2Stacked semiconductor device and semiconductor memory moduleELPIDA MEMORY INC·Filed 2005·Granted Oct 16, 2007·22 cites·28 claims
- 0891US6212127B1Semiconductor device and timing control circuitHITACHI LTD·Filed 2000·Granted Apr 3, 2001·51 cites·24 claims
- 0990US8436590B2Discharge circuit for smoothing capacitor of DC power supplyFUNABA SEIJI·Filed 2010·Granted May 7, 2013·18 cites·9 claims
- 1090US6937494B2Memory module, memory chip, and memory systemELPIDA MEMORY INC·Filed 2003·Granted Aug 30, 2005·54 cites·14 claims
- 1190US6707726B2Register without restriction of number of mounted memory devices and memory module having the sameELPIDA MEMORY INC·Filed 2002·Granted Mar 16, 2004·64 cites·26 claims
- 1290US6519173B2Memory systemHITACHI LTD·Filed 2002·Granted Feb 11, 2003·49 cites·3 claims
- 1389US7633147B2Semiconductor unit having two device terminals for every one input/output signalELPIDA MEMORY INC·Filed 2003·Granted Dec 15, 2009·60 cites·10 claims
- 1488US11011443B2Power semiconductor device including a spacerHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted May 18, 2021·6 cites·8 claims
- 1586US7411806B2Memory module and memory systemELPIDA MEMORY INC·Filed 2006·Granted Aug 12, 2008·15 cites·13 claims
- 1686US7095661B2Semiconductor memory module, memory system, circuit, semiconductor device, and DIMMELPIDA MEMORY INC·Filed 2004·Granted Aug 22, 2006·41 cites·5 claims
- 1785US6970369B2Memory deviceELPIDA MEMORY INC·Filed 2002·Granted Nov 29, 2005·34 cites·47 claims
- 1884US7385281B2Semiconductor integrated circuit deviceELPIDA MEMORY INC·Filed 2004·Granted Jun 10, 2008·25 cites·21 claims
- 1984US7038498B2Input/output circuit, reference-voltage generating circuit, and semiconductor integrated circuitELPIDA MEMORY INC·Filed 2004·Granted May 2, 2006·33 cites·7 claims
- 2084US6853213B2Input/output circuit, reference-voltage generating circuit, and semiconductor integrated circuitELPIDA MEMORY INC·Filed 2002·Granted Feb 8, 2005·36 cites·24 claims
- 2183US9209737B2Power converterFUNABA SEIJI·Filed 2012·Granted Dec 8, 2015·10 cites·6 claims
- 2281US8456866B2Power supply circuit and power conversion deviceFUNABA SEIJI·Filed 2011·Granted Jun 4, 2013·6 cites·13 claims
- 2381US7447038B2ModuleELPIDA MEMORY INC·Filed 2005·Granted Nov 4, 2008·10 cites·25 claims
- 2481US7239169B2Semiconductor apparatus capable of preventing occurrence of multiple reflection, driving method, and setting method thereofELPIDA MEMORY INC·Filed 2002·Granted Jul 3, 2007·28 cites·14 claims
- 2579US6438014B2High speed access compatible memory moduleHITACHI LTD·Filed 2001·Granted Aug 20, 2002·23 cites·4 claims
- 2678US7768867B2Stacked semiconductor deviceELPIDA MEMORY INC·Filed 2007·Granted Aug 3, 2010·8 cites·11 claims
- 2778US6411539B2Memory systemHITACHI LTD·Filed 2001·Granted Jun 25, 2002·19 cites·15 claims
- 2877US8791681B2Electric power conversion systemAKAISHI YOSHIO·Filed 2010·Granted Jul 29, 2014·6 cites·10 claims
- 2976US7161820B2Memory module and memory system having an expandable signal transmission, increased signal transmission and/or high capacity memoryELPIDA MEMORY INC·Filed 2003·Granted Jan 9, 2007·19 cites·38 claims
- 3071US6985009B2Signal transmitting systemELPIDA MEMORY INC·Filed 2004·Granted Jan 10, 2006·18 cites·39 claims
- 3170US8970155B2Power inverterFUNABA SEIJI·Filed 2012·Granted Mar 3, 2015·3 cites·6 claims
- 3268USRE40205ESemiconductor device and timing control circuitELPIDA MEMORY INC·Filed 2002·Granted Apr 1, 2008·12 cites·15 claims
- 3367US6986072B2Register capable of corresponding to wide frequency band and signal generating method using the sameHITACHI LTD·Filed 2002·Granted Jan 10, 2006·17 cites·18 claims
- 3466US7689944B2Method for designing semiconductor apparatus, system for aiding to design semiconductor apparatus, computer program product therefor and semiconductor packageELPIDA MEMORY INC·Filed 2006·Granted Mar 30, 2010·3 cites·65 claims
- 3564US9960710B2Automotive vehicle inverter control apparatusTSUJI MASASHIGE·Filed 2012·Granted May 1, 2018·3 cites·4 claims
- 3663US7760531B2Semiconductor moduleELPIDA MEMORY INC·Filed 2006·Granted Jul 20, 2010·2 cites·18 claims
- 3763US7725778B2Semiconductor integrated circuit and electronic deviceELPIDA MEMORY INC·Filed 2008·Granted May 25, 2010·4 cites·10 claims
- 3862US7558336B2Semiconductor device, memory device and memory module having digital interfaceELPIDA MEMORY INC·Filed 2004·Granted Jul 7, 2009·8 cites·4 claims
- 3960US6862246B2Semiconductor apparatus which prevents generating noise and being influenced by noiseELPIDA MEMORY INC·Filed 2003·Granted Mar 1, 2005·8 cites·19 claims
- 4058US7051225B2Memory system, module and registerELPIDA MEMORY INC·Filed 2003·Granted May 23, 2006·10 cites·40 claims
- 4157US7016212B2Memory module and memory system suitable for high speed operationELPIDA MEMORY INC·Filed 2003·Granted Mar 21, 2006·6 cites·12 claims
- 4247US7856072B2Semiconductor device, memory device and memory module having digital interfaceELPIDA MEMORY INC·Filed 2009·Granted Dec 21, 2010·0 cites·9 claims
- 4347US7656744B2Memory module with load capacitance added to clock signal inputELPIDA MEMORY INC·Filed 2006·Granted Feb 2, 2010·2 cites·6 claims
- 4446US7889584B2Semiconductor memory device having input first-stage circuitELPIDA MEMORY INC·Filed 2006·Granted Feb 15, 2011·1 cites·15 claims
- 4540US2008040081A1Simulation method for improving freedom of setting parameters relating to input/output characteristics of a memory chipELPIDA MEMORY INC·Filed 2007·Application pending·0 cites
- 4640US2005082664A1Stacked semiconductor device and semiconductor chip control methodELPIDA MEMORY INC·Filed 2004·Application pending·0 cites
- 4737US2013088279A1Power ConverterSHIMANO HIROKI·Filed 2011·Application pending·0 cites
- 4837US2013033914A1Power Conversion DeviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2011·Application pending·0 cites
- 4936US2008054379A1Semiconductor deviceELPIDA MEMORY INC·Filed 2007·Application pending·0 cites
- 5029US8971079B2Inverter deviceTATEYAMA TETSURO·Filed 2011·Granted Mar 3, 2015·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →