Inventor · disambiguated record
Kyuichi Takimoto
Also filed as: TAKIMOTO KYUICHI
22 granted patents·562 citations·filing 1992–2005
97Inventor score
Files withFUJITSU LTD22
Top patents by PatentIndex Score
22 records- 0184US7262587B2Circuit and method for controlling DC-DC converterFUJITSU LTD·Filed 2004·Granted Aug 28, 2007·54 cites·27 claims
- 0282US7098639B2DC-DC converter and method for controlling DC-DC converterFUJITSU LTD·Filed 2003·Granted Aug 29, 2006·27 cites·17 claims
- 0380US6337563B2DC-DC converter and semicondutor integrated circuit device for DC-DC converterFUJITSU LTD·Filed 2001·Granted Jan 8, 2002·49 cites·13 claims
- 0478US6696821B2DC-DC converter, duty-ratio setting circuit and electric appliance using themFUJITSU LTD·Filed 2003·Granted Feb 24, 2004·34 cites·18 claims
- 0574US7045990B2Portable device having a charging circuit and semiconductor device for use in the charging circuit of the sameFUJITSU LTD·Filed 2003·Granted May 16, 2006·31 cites·16 claims
- 0674US6724175B1Power supply control device, power supply circuit, power supply control method, and electronic apparatus controlling output voltage thereof in accordance with a voltage detected across an on switching elementFUJITSU LTD·Filed 2000·Granted Apr 20, 2004·29 cites·47 claims
- 0773US6664772B2DC 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
- 0873US6194875B1Controller for DC-DC converterFUJITSU LTD·Filed 1999·Granted Feb 27, 2001·62 cites·21 claims
- 0973US6147477ADC 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
- 1072US6587006B2Oscillator circuitFUJITSU LTD·Filed 2002·Granted Jul 1, 2003·19 cites·19 claims
- 1170US6828764B2Regulator circuit and control method thereofFUJITSU LTD·Filed 2002·Granted Dec 7, 2004·25 cites·22 claims
- 1270US5966003ADC-DC converter control circuitFUJITSU LTD·Filed 1998·Granted Oct 12, 1999·41 cites·29 claims
- 1365US6025706AMethod for controlling the output voltage of a DC-DC converterFUJITSU LTD·Filed 1999·Granted Feb 15, 2000·32 cites·29 claims
- 1463US7019501B2DC/DC converterFUJITSU LTD·Filed 2004·Granted Mar 28, 2006·17 cites·19 claims
- 1561US6911806B2DC 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
- 1661US6674657B2Overvoltage-protective device for power system, AC/DC converter and DC/DC converter constituting the power systemFUJITSU LTD·Filed 2002·Granted Jan 6, 2004·16 cites·17 claims
- 1759US7176663B2Control circuit for DC/DC converterFUJITSU LTD·Filed 2003·Granted Feb 13, 2007·14 cites·19 claims
- 1852US5218319ADifferential amplifier and active filter using the sameFUJITSU LTD·Filed 1992·Granted Jun 8, 1993·11 cites·5 claims
- 1951US6882133B2DC/DC converter control circuits and DC/DC converter systems with power saving mode in accordance with an external control signalFUJITSU LTD·Filed 2002·Granted Apr 19, 2005·9 cites·33 claims
- 2051US5539302AReference power supplyFUJITSU LTD·Filed 1994·Granted Jul 23, 1996·13 cites·9 claims
- 2150US7129682B2DC 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
- 2242US5850137ACharging apparatus and current/voltage detector for use thereinFUJITSU LTD·Filed 1996·Granted Dec 15, 1998·17 cites·13 claims
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