Inventor · disambiguated record
Kenichi Onda
Also filed as: ONDA KENICHI · TABATA KEIICHIRO
47 granted patents·4 pending applications·2,333 citations·filing 1978–2018
99Inventor score
Files withHITACHI LTD41HITACHI COMP PERIPHERALS CO3ONDA KENICHI2BRIDGESTONE TIRE CO LTD1KURITA NAOYUKI1
Top patents by PatentIndex Score
51 records- 0196US5297015APower supply control systemHITACHI LTD·Filed 1990·Granted Mar 22, 1994·170 cites·27 claims
- 0295US6795322B2Power supply with uninterruptible functionHITACHI LTD·Filed 1999·Granted Sep 21, 2004·369 cites·23 claims
- 0395US5412558ASemiconductor integrated circuit unitHITACHI LTD·Filed 1993·Granted May 2, 1995·187 cites·26 claims
- 0494US5008586ASolid state current sensing circuit and protection circuitHITACHI LTD·Filed 1989·Granted Apr 16, 1991·54 cites·7 claims
- 0592US5280228AInverter circuitHITACHI LTD·Filed 1991·Granted Jan 18, 1994·115 cites·20 claims
- 0691US5768117APower supply system for supplying electric power to a load through plural convertersHITACHI LTD·Filed 1994·Granted Jun 16, 1998·167 cites·19 claims
- 0789US6489756B2DC-DC converter with switchable control modeHITACHI LTD·Filed 2001·Granted Dec 3, 2002·63 cites·14 claims
- 0889US6028779APower inverter deviceHITACHI LTD·Filed 1998·Granted Feb 22, 2000·96 cites·33 claims
- 0988US6580597B2Voltage regulator module for micro processor and CPO using a super capacitorHITACHI LTD·Filed 2002·Granted Jun 17, 2003·48 cites·12 claims
- 1087US7158392B2Switching power supply device and the semiconductor integrated circuit for power supply controlRENESAS TECH CORP·Filed 2003·Granted Jan 2, 2007·55 cites·23 claims
- 1187US6381152B1Method of driving semiconductor switching device in non-saturated state and power supply apparatus containing such a switching deviceHITACHI LTD·Filed 2000·Granted Apr 30, 2002·32 cites·17 claims
- 1285US6567261B2DC-DC step-down converter with super capacitorHITACHI LTD·Filed 2002·Granted May 20, 2003·37 cites·6 claims
- 1385US5502430AFlat transformer and power supply unit having flat transformerHITACHI LTD·Filed 1993·Granted Mar 26, 1996·41 cites·35 claims
- 1485US5384516AInformation processing apparatus including a control circuit for controlling a liquid crystal display illumination based on whether illuminatio power is being supplied from an AC power source or from a batteryHITACHI LTD·Filed 1992·Granted Jan 24, 1995·121 cites·19 claims
- 1584US7157810B2Backup power supplyHITACHI COMP PERIPHERALS CO·Filed 2004·Granted Jan 2, 2007·47 cites·15 claims
- 1683US7053502B2Power supply with uninterruptible functionHITACHI COMP PERIPHERALS CO·Filed 2004·Granted May 30, 2006·55 cites·10 claims
- 1783US6977448B2Backup power supplyHITACHI COMP PERIPHERALS CO·Filed 2003·Granted Dec 20, 2005·46 cites·11 claims
- 1883US6507507B2DC power supply deviceHITACHI LTD·Filed 2001·Granted Jan 14, 2003·41 cites·11 claims
- 1979US6643152B2DC power supply deviceHITACHI LTD·Filed 2002·Granted Nov 4, 2003·26 cites·9 claims
- 2079US4297594AGate circuit for a gate turn-off thyristorHITACHI LTD·Filed 1979·Granted Oct 27, 1981·18 cites·4 claims
- 2178US4774480APhase-locked loop having separate smoothing and loop filtersHITACHI LTD·Filed 1987·Granted Sep 27, 1988·31 cites·16 claims
- 2276US6496395B2Direct-current power-supply apparatus, control circuit thereof and semiconductor integrated circuit device for power supplyHITACHI LTD·Filed 2001·Granted Dec 17, 2002·28 cites·16 claims
- 2373US8286980B2Trailing arm type suspensionONDA KENICHI·Filed 2010·Granted Oct 16, 2012·12 cites·7 claims
- 2473US5253156ASemiconductor integrated circuit unitHITACHI LTD·Filed 1991·Granted Oct 12, 1993·45 cites·5 claims
- 2569US4700280ASwitching power supply using a saturable reactor to control a switching elementHITACHI LTD·Filed 1986·Granted Oct 13, 1987·33 cites·18 claims
- 2668US6603671B2Synchronized rectifier voltage step down DC-DC converter and control circuit thereforHITACHI LTD·Filed 2001·Granted Aug 5, 2003·22 cites·22 claims
- 2767US4890009AMonolithic integrated circuit deviceHITACHI LTD·Filed 1988·Granted Dec 26, 1989·25 cites·10 claims
- 2866US4749961AVoltage controlled oscillator and phase-locked loop using itHITACHI LTD·Filed 1987·Granted Jun 7, 1988·26 cites·20 claims
- 2964US4417156AGate circuit for thyristorsHITACHI LTD·Filed 1981·Granted Nov 22, 1983·12 cites·6 claims
- 3063US8414004B2Spring seat and mounting structure for spring seatONDA KENICHI·Filed 2010·Granted Apr 9, 2013·5 cites·8 claims
- 3163US5559682AMulti-output DC-DC convertorHITACHI LTD·Filed 1994·Granted Sep 24, 1996·30 cites·17 claims
- 3263US4298809AGate circuit for gate turn-off thyristorHITACHI LTD·Filed 1979·Granted Nov 3, 1981·9 cites·3 claims
- 3362US5274541AParallel circuit module including a diode and an IGBTHITACHI LTD·Filed 1990·Granted Dec 28, 1993·32 cites·1 claims
- 3462US5088017ADC-DC converter and a computer using the converterHITACHI LTD·Filed 1990·Granted Feb 11, 1992·41 cites·27 claims
- 3562US4499530ASwitching power supply apparatusHITACHI LTD·Filed 1982·Granted Feb 12, 1985·16 cites·12 claims
- 3661US5638264AParallelized power supply system providing uninterrupted operationHITACHI LTD·Filed 1995·Granted Jun 10, 1997·40 cites·18 claims
- 3761US4626976ASwitch mode power supply having magnetically controlled outputHITACHI LTD·Filed 1985·Granted Dec 2, 1986·18 cites·25 claims
- 3858US10978253B2Capacitor deviceNIPPON CHEMICON·Filed 2018·Granted Apr 13, 2021·0 cites·16 claims
- 3957US5345374APower source for supplying DC voltage by converting AC voltage from AC sourceHITACHI LTD·Filed 1993·Granted Sep 6, 1994·23 cites·10 claims
- 4054US4156476ANoise control devicesBRIDGESTONE TIRE CO LTD·Filed 1978·Granted May 29, 1979·13 cites·2 claims
- 4152US5216587AInverterHITACHI LTD·Filed 1992·Granted Jun 1, 1993·20 cites·6 claims
- 4252US4841427ACapacitive voltage lowering circuit with dual outputsHITACHI LTD·Filed 1988·Granted Jun 20, 1989·14 cites·6 claims
- 4351US5057721ALevel shift circuit for controlling a driving circuitHITACHI LTD·Filed 1990·Granted Oct 15, 1991·13 cites·23 claims
- 4451US4665473AMultiple output switching power supplyHITACHI LTD·Filed 1985·Granted May 12, 1987·15 cites·6 claims
- 4551US4292550AGate control circuit with capacitor for field controlled thyristorHITACHI LTD·Filed 1979·Granted Sep 29, 1981·8 cites·7 claims
- 4643US5216349ADriving circuit for a switching element including an improved power supply arrangementHITACHI LTD·Filed 1991·Granted Jun 1, 1993·8 cites·4 claims
- 4740US2003197494A1DC-DC converter and a method of controlling thereofHITACHI LTD·Filed 2003·Application pending·0 cites
- 4840US2002186576A1Backup power supplyFiled 2002·Application pending·0 cites
- 4937US2012229118A1Reactor and power converter using the sameKURITA NAOYUKI·Filed 2012·Application pending·0 cites
- 5035US4858096AResonant converter for stabilized operation of switching devicesHITACHI LTD·Filed 1988·Granted Aug 15, 1989·6 cites·20 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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