Inventor · disambiguated record
Junji Nishida
Also filed as: NISHIDA JUNJI
40 granted patents·10 pending applications·586 citations·filing 2002–2013
98Inventor score
Top patents by PatentIndex Score
50 records- 0198US7482796B2Switching regulator, power supply circuit and secondary cell charging circuit including the sameRICOH KK·Filed 2007·Granted Jan 27, 2009·45 cites·3 claims
- 0298US7319311B2Step down switching regulator with the substrate of the switching transistor selectively connected to either its drain or sourceRICOH KK·Filed 2005·Granted Jan 15, 2008·59 cites·27 claims
- 0391US7659706B2Current detector circuit and current-mode DC-DC converter using sameRICOH KK·Filed 2007·Granted Feb 9, 2010·21 cites·25 claims
- 0489US8766615B2DC-DC converter control circuit and DC-DC converter including sameNISHIDA JUNJI·Filed 2012·Granted Jul 1, 2014·11 cites·14 claims
- 0589US7012405B2Charging circuit for secondary batteryRICOH KK·Filed 2002·Granted Mar 14, 2006·75 cites·13 claims
- 0688US7605573B2Switching regulator providing slope compensation and voltage control method thereofRICOH KK·Filed 2006·Granted Oct 20, 2009·26 cites·13 claims
- 0788US7205748B2Charging circuit for secondary batteryRICOH KK·Filed 2005·Granted Apr 17, 2007·33 cites·13 claims
- 0886US8791748B2Charge pump circuit and operation control method thereofNISHIDA JUNJI·Filed 2010·Granted Jul 29, 2014·9 cites·19 claims
- 0985US7274171B2Charging circuit for secondary batteryRICOH KK·Filed 2005·Granted Sep 25, 2007·21 cites·18 claims
- 1083US7852056B2Switching regulatorRICOH CO LTD·Filed 2008·Granted Dec 14, 2010·18 cites·20 claims
- 1182US7624292B2Battery power detection deviceRICOH KK·Filed 2005·Granted Nov 24, 2009·11 cites·29 claims
- 1282US7504805B2Boost circuitRICOH KK·Filed 2006·Granted Mar 17, 2009·18 cites·18 claims
- 1381US7576530B2Switching regulator capable of efficient control at control mode changeRICOH KK·Filed 2007·Granted Aug 18, 2009·12 cites·12 claims
- 1480US6803745B2Battery pack charging apparatus and methodRICOH KK·Filed 2003·Granted Oct 12, 2004·41 cites·10 claims
- 1578US7804285B2Control of operation of switching regulator to select PWM control or PFM control based on phase comparisonRICOH KK·Filed 2007·Granted Sep 28, 2010·11 cites·21 claims
- 1677US8760138B2DC-DC converter control circuit and DC-DC converter including sameNISHIDA JUNJI·Filed 2012·Granted Jun 24, 2014·5 cites·12 claims
- 1776US8258765B2Switching regulator and semiconductor apparatus including the sameNISHIDA JUNJI·Filed 2009·Granted Sep 4, 2012·13 cites·10 claims
- 1875US8368363B2Current sensing circuit and switching regulator including the sameRICOH CO LTD·Filed 2009·Granted Feb 5, 2013·12 cites·14 claims
- 1974US7843186B2Switching regulator having high speed responseRICOH CO LTD·Filed 2007·Granted Nov 30, 2010·12 cites·14 claims
- 2073US8212538B2Hysteretic switching regulator and control method used thereinNISHIDA JUNJI·Filed 2009·Granted Jul 3, 2012·10 cites·20 claims
- 2173US7629775B2Battery connection detection circuitRICOH KK·Filed 2005·Granted Dec 8, 2009·11 cites·12 claims
- 2273US7348765B2DC-DC converter capable of performing for wide and dynamic voltage rangeRICOH KK·Filed 2007·Granted Mar 25, 2008·9 cites·7 claims
- 2372US8289000B2Charge control circuitNISHIDA JUNJI·Filed 2008·Granted Oct 16, 2012·10 cites·14 claims
- 2472US7560911B2Step-up/step-down switching regulatorRICOH KK·Filed 2007·Granted Jul 14, 2009·10 cites·5 claims
- 2571US7589509B2Switching regulatorRICOH KK·Filed 2007·Granted Sep 15, 2009·6 cites·10 claims
- 2669US7098627B2Method and apparatus for battery charging with constant current, constant voltage, and pulsed chargingRICOH KK·Filed 2003·Granted Aug 29, 2006·22 cites·11 claims
- 2767US7679942B2Step-down DC-to-DC converterRICOH KK·Filed 2007·Granted Mar 16, 2010·8 cites·8 claims
- 2867US7538529B2Power-supply apparatusRICOH KK·Filed 2005·Granted May 26, 2009·5 cites·12 claims
- 2966US8294434B2Constant current output control type switching regulatorNISHIDA JUNJI·Filed 2008·Granted Oct 23, 2012·7 cites·10 claims
- 3066US7514910B2DC-DC converter capable of performing for wide and dynamic voltage rangeRICOH KK·Filed 2008·Granted Apr 7, 2009·6 cites·19 claims
- 3165US8994323B2Charging circuit and control method thereforNISHIDA JUNJI·Filed 2012·Granted Mar 31, 2015·2 cites·11 claims
- 3262US8760137B2DC-DC converter control circuit and DC-DC converter including sameNISHIDA JUNJI·Filed 2012·Granted Jun 24, 2014·2 cites·10 claims
- 3362US8018207B2Switching regulatorRICOH CO LTD·Filed 2008·Granted Sep 13, 2011·2 cites·3 claims
- 3462US7777467B2Voltage rising/falling type switching regulator and operation control method thereofRICOH KK·Filed 2007·Granted Aug 17, 2010·6 cites·19 claims
- 3559US8294433B2Constant current supply type of switching regulatorNISHIDA JUNJI·Filed 2008·Granted Oct 23, 2012·4 cites·15 claims
- 3656US7782011B2Battery pack charging apparatus and method for constant current and constant voltage charging of multiple battery packsRICOH KK·Filed 2004·Granted Aug 24, 2010·9 cites·20 claims
- 3753US8129970B2Switching regulator with reverse current detectionNISHIDA JUNJI·Filed 2008·Granted Mar 6, 2012·3 cites·7 claims
- 3852US2005166455A1Plant potFiled 2004·Application pending·0 cites
- 3948US2008211454A1Battery pack having a secondary battery and a charging system using the battery packRICOH KK·Filed 2008·Application pending·0 cites
- 4047US7429851B2Constant voltage power supply circuitRICOH KK·Filed 2005·Granted Sep 30, 2008·1 cites·8 claims
- 4146US2007222420A1Charging circuit for secondary batteryNISHIDA JUNJI·Filed 2007·Application pending·0 cites
- 4245US2006192531A1Method and apparatus for battery charging with constant current, constant voltage, and pulsed chargingNISHIDA JUNJI·Filed 2006·Application pending·0 cites
- 4345US2015236544A1Wireless power feeding unit, electronic apparatus, and method of controlling wireless power feeding unitUCHIDA MASAYA·Filed 2013·Application pending·0 cites
- 4445US2006028168A1Battery pack having a secondary battery and a charging system using the battery packNISHIDA JUNJI·Filed 2005·Application pending·0 cites
- 4543US2012206110A1Reverse current prevention circuit, charging circuit incorporating reverse current prevention circuit, and constant-voltage circuit incorporating reverse current prevention circuitNISHIDA JUNJI·Filed 2012·Application pending·0 cites
- 4642US7684163B2Abnormal connection detecting circuit and driving device including the sameRICOH KK·Filed 2006·Granted Mar 23, 2010·0 cites·26 claims
- 4742US2008122411A1Constant voltage power supply circuitRICOH KK·Filed 2008·Application pending·0 cites
- 4840US8760139B2DC-DC converter control circuit and DC-DC converter including sameNISHIDA JUNJI·Filed 2012·Granted Jun 24, 2014·0 cites·12 claims
- 4939US2009085540A1Voltage Rising/Falling Type Switching Regulator and Reverse Current Prevention MethodNISHIDA JUNJI·Filed 2008·Application pending·0 cites
- 5037US2009174384A1Switching regulator and method of controlling the sameMICHISHITA YUUSUKE·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →