Inventor · disambiguated record
Chikara Tsuchiya
Also filed as: TSUCHIYA CHIKARA
31 granted patents·1 pending application·772 citations·filing 1981–2011
98Inventor score
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32 records- 0196US7456623B2DC-DC converter and control circuit for DC-DC converterFUJITSU LTD·Filed 2006·Granted Nov 25, 2008·60 cites·18 claims
- 0292US6448836B2Operational amplifier and its offset cancel circuitFUJITSU LTD·Filed 2000·Granted Sep 10, 2002·59 cites·24 claims
- 0391US5262735ARing oscillator having outputs that are selectively combined to produce different frequenciesFUJITSU LTD·Filed 1992·Granted Nov 16, 1993·67 cites·12 claims
- 0490US7358946B2Offset cancel circuit of voltage follower equipped with operational amplifierFUJITSU LTD·Filed 2005·Granted Apr 15, 2008·9 cites·6 claims
- 0590US5668506ATemperature compensated crystal oscillatorMEIDENSHA ELECTRIC MFG CO LTD·Filed 1996·Granted Sep 16, 1997·94 cites·25 claims
- 0687US7224390B2CMOS image sensor with voltage control circuitFUJITSU LTD·Filed 2002·Granted May 29, 2007·35 cites·12 claims
- 0786US5220559ANeuron architectureFUJITSU LTD·Filed 1989·Granted Jun 15, 1993·56 cites·33 claims
- 0885US5131072ANeurocomputer with analog signal busFUJITSU LTD·Filed 1989·Granted Jul 14, 1992·51 cites·47 claims
- 0984US6946905B2Offset cancel circuit of voltage follower equipped with operational amplifierFUJITSU LTD·Filed 2002·Granted Sep 20, 2005·23 cites·10 claims
- 1082US7242427B2X-Y address type solid-state image pickup device with an image averaging circuit disposed in the noise cancel circuitFUJITSU LTD·Filed 2002·Granted Jul 10, 2007·23 cites·13 claims
- 1182US7221131B2Control circuit for DC-DC converter in semiconductor integrated circuit deviceFUJITSU LTD·Filed 2005·Granted May 22, 2007·18 cites·20 claims
- 1281US5548252ADigital temperature compensated crystal oscillatorMEIDENSHA ELECTRIC MFG CO LTD·Filed 1994·Granted Aug 20, 1996·57 cites·45 claims
- 1379US4433306AAudio-frequency power amplifierFUJITSU LTD·Filed 1981·Granted Feb 21, 1984·23 cites·8 claims
- 1478US6747700B1Solid state image pickup apparatus having a plurality of split busesFUJITSU LTD·Filed 2000·Granted Jun 8, 2004·17 cites·3 claims
- 1576US6914631B2Image sensorFUJITSU LTD·Filed 2002·Granted Jul 5, 2005·14 cites·9 claims
- 1672US7777473B2DC-DC converter and control circuit for DC-DC converterFUJITSU SEMICONDUCTOR LTD·Filed 2008·Granted Aug 17, 2010·8 cites·3 claims
- 1772US5142666ALearning system in a neuron computerFUJITSU LTD·Filed 1990·Granted Aug 25, 1992·36 cites·11 claims
- 1871US8416015B2Active rectifying apparatusTSUCHIYA CHIKARA·Filed 2011·Granted Apr 9, 2013·4 cites·22 claims
- 1969US7196726B2CMOS sensor circuit having a voltage control circuit controlling a gate potential of a photodiode reset transistor to a potential other than power source potentialsFUJITSU LTD·Filed 2002·Granted Mar 27, 2007·9 cites·32 claims
- 2064US7928601B2Power supply circuit for providing semiconductor integrated circuit device with a plurality of power supply voltagesFUJITSU SEMICONDUCTOR LTD·Filed 2005·Granted Apr 19, 2011·6 cites·2 claims
- 2163US7019501B2DC/DC converterFUJITSU LTD·Filed 2004·Granted Mar 28, 2006·17 cites·19 claims
- 2259US6888488B2A/D converter with reduced power consumptionFUJITSU LTD·Filed 2002·Granted May 3, 2005·9 cites·14 claims
- 2359US4525637AIntegrated circuit having an input voltage-clamping function and an input current-detecting functionFUJITSU LTD·Filed 1982·Granted Jun 25, 1985·10 cites·12 claims
- 2458US7342436B2Bipolar supply voltage generator and semiconductor device for sameFUJITSU LTD·Filed 2002·Granted Mar 11, 2008·15 cites·22 claims
- 2556US5461335ADelay circuit manufacturable by semiconductor elementsFUJITSU LTD·Filed 1992·Granted Oct 24, 1995·11 cites·5 claims
- 2647US4362985AIntegrated circuit for generating a reference voltageFUJITSU LTD·Filed 1981·Granted Dec 7, 1982·10 cites·10 claims
- 2744US5216746AError absorbing system in a neuron computerFUJITSU LTD·Filed 1990·Granted Jun 1, 1993·10 cites·28 claims
- 2840US5452148APreamplifing circuit for a magnetoresistance deviceFUJITSU LTD·Filed 1994·Granted Sep 19, 1995·9 cites·25 claims
- 2940US5126683ADetection circuit for amplitude modulated signalsFUJITSU LTD·Filed 1990·Granted Jun 30, 1992·8 cites·8 claims
- 3038US5721505ADelay circuit manufacturable by semiconductor elementsFUJITSU LTD·Filed 1995·Granted Feb 24, 1998·4 cites·9 claims
- 3138US2007216381A1Linear regulator circuitFUJITSU LTD·Filed 2006·Application pending·0 cites
- 3230US4551644AField effect transistor gate circuit for analog signalsFUJITSU LTD·Filed 1983·Granted Nov 5, 1985·0 cites·7 claims
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