Inventor · disambiguated record
Mitsuo Saeki
Also filed as: SAEKI MITSUO
33 granted patents·1 pending application·1,197 citations·filing 1995–2012
98Inventor score
Top patents by PatentIndex Score
34 records- 0197US5739667AControl system for charging batteries and electronic apparatus using sameFUJITSU LTD·Filed 1995·Granted Apr 14, 1998·259 cites·10 claims
- 0293US6492791B1Protection method, control circuit, and battery unitFUJITSU LTD·Filed 2000·Granted Dec 10, 2002·92 cites·13 claims
- 0391US7492135B2Switching converterFUJITSU LTD·Filed 2006·Granted Feb 17, 2009·30 cites·16 claims
- 0489US6028755ADC-to-DC converter capable of preventing overvoltagesFUJITSU LTD·Filed 1999·Granted Feb 22, 2000·77 cites·46 claims
- 0587US5572112APower supply unitFUJITSU LTD·Filed 1995·Granted Nov 5, 1996·51 cites·7 claims
- 0685US6404076B1DC-DC converter circuit selecting lowest acceptable input sourceFUJITSU LTD·Filed 2000·Granted Jun 11, 2002·39 cites·14 claims
- 0784US6204648B1DC-to-DC converter capable of preventing overvoltageFUJITSU LTD·Filed 2000·Granted Mar 20, 2001·38 cites·41 claims
- 0883US6452364B1Battery charge control circuit, battery charging device, and battery charge control methodFUJITSU LTD·Filed 2000·Granted Sep 17, 2002·53 cites·70 claims
- 0983US6046896ADC-to-DC converter capable of preventing overvoltageFUJITSU LTD·Filed 1996·Granted Apr 4, 2000·45 cites·52 claims
- 1080US6486635B1Monitor signal output circuit, battery pack, battery voltage monitor circuit, battery system, apparatus, battery voltage monitor method, and battery voltage monitor program storage mediumFUJITSU LTD·Filed 2000·Granted Nov 26, 2002·27 cites·22 claims
- 1178US6566766B2DC-DC converter circuit, power supply selection circuit, and apparatusFUJITSU LTD·Filed 2002·Granted May 20, 2003·27 cites·1 claims
- 1277US6989652B2Protection method, control circuit, and battery unitFUJITSU LTD·Filed 2002·Granted Jan 24, 2006·26 cites·6 claims
- 1377US6051955AProtection circuit and battery unitFUJITSU LTD·Filed 1997·Granted Apr 18, 2000·82 cites·46 claims
- 1475US6940737B2Power supply control methodFUJITSU LTD·Filed 2003·Granted Sep 6, 2005·24 cites·2 claims
- 1573US6664772B2DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereonFUJITSU LTD·Filed 2001·Granted Dec 16, 2003·19 cites·33 claims
- 1673US6147477ADC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereonFUJITSU LTD·Filed 1997·Granted Nov 14, 2000·32 cites·41 claims
- 1773US5717318AStep-down type DC-DC regulatorFUJITSU LTD·Filed 1997·Granted Feb 10, 1998·44 cites·8 claims
- 1872US8405357B2Battery unit, battery system, electronic device, charging control method of battery, and discharging control method of batterySAEKI MITSUO·Filed 2009·Granted Mar 26, 2013·11 cites·11 claims
- 1972US6657415B2Portable apparatusFUJITSU LTD·Filed 2001·Granted Dec 2, 2003·28 cites·21 claims
- 2070US7148587B2DC-DC converter circuit, power supply selection circuit, and apparatus useful for increasing conversion efficiencyFUJITSU LTD·Filed 2003·Granted Dec 12, 2006·18 cites·12 claims
- 2168US5781000APower control unit loading test methodFUJITSU LTD·Filed 1996·Granted Jul 14, 1998·37 cites·23 claims
- 2264US8013587B2DC/DC power supply circuit with a bypass circuitFUJITSU LTD·Filed 2008·Granted Sep 6, 2011·5 cites·6 claims
- 2363USRE42114EControl system for charging batteries and electronic apparatus using sameFUJITSU SEMICONDUCTOR LTD·Filed 2000·Granted Feb 8, 2011·13 cites·80 claims
- 2463US6414403B2Power unitFUJITSU LTD·Filed 1998·Granted Jul 2, 2002·41 cites·20 claims
- 2561US6911806B2DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereonFUJITSU LTD·Filed 2003·Granted Jun 28, 2005·10 cites·13 claims
- 2661US6262494B1Battery unit and information processing system having battery unit mounted thereinFUJITSU LTD·Filed 1998·Granted Jul 17, 2001·39 cites·19 claims
- 2757US6639812B2Power supply control circuit that adjusts output power based on variable input powerFUJITSU LTD·Filed 2001·Granted Oct 28, 2003·11 cites·12 claims
- 2856USRE43911EControl system for charging batteries and electronic apparatus using sameFUJITSU SEMICONDUCTOR LTD·Filed 2003·Granted Jan 8, 2013·8 cites·29 claims
- 2952US6909619B2Spike control apparatus for DC-DC converterFUJITSU LTD·Filed 2001·Granted Jun 21, 2005·6 cites·35 claims
- 3050US7129682B2DC to DC converter producing output voltage exhibit rise and fall characteristics independent of load thereonFUJITSU LTD·Filed 2005·Granted Oct 31, 2006·1 cites·11 claims
- 3147US8344718B2DC-DC converter, method for controlling DC-DC converter, and electronic deviceFUJITSU LTD·Filed 2011·Granted Jan 1, 2013·0 cites·9 claims
- 3241US9065333B2DC-DC converter, control circuit and information processing systemSAEKI MITSUO·Filed 2012·Granted Jun 23, 2015·0 cites·16 claims
- 3337US2006208714A1DC-DC converterFUJITSU LTD·Filed 2005·Application pending·0 cites
- 3430US6160321AApparatus for supplying power from portable computer to extended stationFUJITSU LTD·Filed 1997·Granted Dec 12, 2000·4 cites·29 claims
Join the waitlist — get patent alerts
Get an alert when Mitsuo Saeki files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →