Inventor · disambiguated record
Toshio Kumamoto
Also filed as: KUMAMOTO TOSHIO
62 granted patents·2 pending applications·1,017 citations·filing 1986–2015
99Inventor score
Files withMITSUBISHI ELECTRIC CORP37RENESAS TECH CORP12RENESAS ELECTRONICS CORP7MATSUMOTO TAKASHI2OKUDA TAKASHI2
Top patents by PatentIndex Score
64 records- 0195US7202754B2Oscillator circuit and L load differential circuit achieving a wide oscillation frequency range and low phase noise characteristicsRENESAS TECH CORP·Filed 2005·Granted Apr 10, 2007·27 cites·6 claims
- 0292US7446390B2Semiconductor deviceRENESAS TECH CORP·Filed 2007·Granted Nov 4, 2008·20 cites·13 claims
- 0391US5625308ATwo input-two output differential latch circuitMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Apr 29, 1997·79 cites·14 claims
- 0490US9166541B2Signal processing circuit, resolver digital converter, and multipath nested mirror amplifierRENESAS ELECTRONICS CORP·Filed 2014·Granted Oct 20, 2015·15 cites·18 claims
- 0589US8223050B2Delta-sigma A/D converterMATSUMOTO TAKASHI·Filed 2010·Granted Jul 17, 2012·11 cites·9 claims
- 0687US6784548B2Semiconductor device having dummy patterns for metal CMPRENESAS TECH CORP·Filed 2002·Granted Aug 31, 2004·36 cites·6 claims
- 0787US6522007B2Semiconductor device having dummy patterns for metal CMPMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Feb 18, 2003·34 cites·5 claims
- 0885US7362194B2Oscillator circuit and L load differential circuit achieving a wide oscillation frequency range and low phase noise characteristicsRENESAS TECH CORP·Filed 2007·Granted Apr 22, 2008·11 cites·1 claims
- 0983US9118341B2Delta-sigma A/D converterMATSUMOTO TAKASHI·Filed 2012·Granted Aug 25, 2015·7 cites·9 claims
- 1081US5396131ADifferential amplifier, comparator and high-speed A/D converter using the sameMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Mar 7, 1995·35 cites·29 claims
- 1181US5099146AControlled threshold type electric device and comparator employing the sameMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Mar 24, 1992·39 cites·24 claims
- 1280US7276776B2Semiconductor deviceRENESAS DEVICE DESIGN CORP·Filed 2004·Granted Oct 2, 2007·20 cites·15 claims
- 1379US7045865B2Semiconductor device with resistor elements formed on insulating filmRENESAS TECH CORP·Filed 2001·Granted May 16, 2006·18 cites·22 claims
- 1479US5936434AVoltage comparator and A/D converterMITSUBISHI KABUSHIKI KAISHA·Filed 1997·Granted Aug 10, 1999·37 cites·20 claims
- 1579US5041884AMultilayer semiconductor integrated circuitMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Aug 20, 1991·44 cites·8 claims
- 1677US6573588B1Capacitance elementMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jun 3, 2003·22 cites·5 claims
- 1777US6300890B1Delta-sigma modulator and AD converterMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Oct 9, 2001·24 cites·8 claims
- 1876US7821078B2Semiconductor device having resistor elements and method for manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2008·Granted Oct 26, 2010·4 cites·10 claims
- 1976US5138437ASemiconductor integrated circuit device in which integrated circuit units having different functions are stacked in three dimensional mannerMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Aug 11, 1992·40 cites·3 claims
- 2074US8330199B2Semiconductor device having resistors with a biased substrate voltageKAMAKURA MASAOMI·Filed 2009·Granted Dec 11, 2012·8 cites·16 claims
- 2174US4695748AComparing deviceMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Sep 22, 1987·21 cites·3 claims
- 2272US5696511AVoltage comparator and pipeline type A/D converterMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Dec 9, 1997·34 cites·10 claims
- 2372US5148164ACurrent generating device for complementarily generating two currents of different magnitudes in response to one-bit dataMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Sep 15, 1992·24 cites·12 claims
- 2470US9473088B2Signal processing circuit, resolver digital converter, and multipath nested mirror amplifierRENESAS ELECTRONICS CORP·Filed 2015·Granted Oct 18, 2016·2 cites·13 claims
- 2570US7557427B2Semiconductor deviceRENESAS TECH CORP·Filed 2007·Granted Jul 7, 2009·3 cites·14 claims
- 2670US6069579AFolding type A/D converter and folding type A/D converter circuitMITSUBISHI ELECTRIC CORP·Filed 1998·Granted May 30, 2000·33 cites·18 claims
- 2770US5196920ASemiconductor integrated circuit device for limiting capacitive coupling between adjacent circuit blocksMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Mar 23, 1993·42 cites·9 claims
- 2869US5539406ASeries-parallel type A-D converter for realizing high speed operation and low power consumptionMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jul 23, 1996·28 cites·34 claims
- 2967US5583502AA-D converter testing circuit and D-A converter testing circuitMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Dec 10, 1996·25 cites·33 claims
- 3065US7710304B2A/D converter and semiconductor deviceRENESAS TECH CORP·Filed 2008·Granted May 4, 2010·5 cites·14 claims
- 3164US7952506B2ΔΣ-type A/D converterRENESAS ELECTRONICS CORP·Filed 2010·Granted May 31, 2011·3 cites·4 claims
- 3264US5629700APipeline type analog to digital converter including plural series connected analog to digital converter stagesMITSUBISHI ELECTRIC CORP·Filed 1995·Granted May 13, 1997·26 cites·14 claims
- 3363US6538589B2Digital ΔΣ modulator and D/A converter using the modulatorMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Mar 25, 2003·12 cites·18 claims
- 3462US6323794B1ΔΣ modulator, DA converter and AD converterMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Nov 27, 2001·23 cites·9 claims
- 3562US5313207ADifferential subtracter improved for higher accuracy and A/D converter including the sameMITSUBISHI ELECTRIC CORP·Filed 1993·Granted May 17, 1994·22 cites·16 claims
- 3661US7868413B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2008·Granted Jan 11, 2011·1 cites·4 claims
- 3761US7009539B2Modulator providing only quantization error component to delta sigma modulatorRENESAS TECH CORP·Filed 2003·Granted Mar 7, 2006·11 cites·8 claims
- 3860US5341037ASample hold circuit, buffer circuit and sample hold apparatus using these circuitsMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Aug 23, 1994·19 cites·10 claims
- 3959US5821893APipeline type A/D converterMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Oct 13, 1998·21 cites·6 claims
- 4057US6809582B2Semiconductor device including a differential transistor pairRENESAS TECH CORP·Filed 2003·Granted Oct 26, 2004·7 cites·20 claims
- 4157US5146201AMagnetic sensor system including stacked hall effect devices detecting orthogonal magnetic fieldsMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Sep 8, 1992·11 cites·12 claims
- 4255US7915708B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2009·Granted Mar 29, 2011·0 cites·23 claims
- 4351US5995031AD/A and A/D convertersMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Nov 30, 1999·15 cites·15 claims
- 4450US5966088AAnalog/digital converter and voltage comparator capable of fast producing of output offset voltageMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Oct 12, 1999·14 cites·11 claims
- 4549US5055820AHall element and magnetic sensor system employing the sameMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Oct 8, 1991·7 cites·7 claims
- 4649US2006175679A1Semiconductor device and method for manufacturing the sameRENESAS TECH CORP·Filed 2006·Application pending·0 cites
- 4747US8237282B2Semiconductor deviceOKUDA TAKASHI·Filed 2011·Granted Aug 7, 2012·0 cites·20 claims
- 4847US7847714B2ΔΣ-type A/D converterRENESAS ELECTRONICS CORP·Filed 2009·Granted Dec 7, 2010·1 cites·6 claims
- 4947US6734816B2D/A converter with high jitter resistanceMITSUBISHI ELECTRIC CORP·Filed 2003·Granted May 11, 2004·4 cites·9 claims
- 5047US4900952AVoltage comparison apparatusMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Feb 13, 1990·7 cites·2 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →