Inventor · disambiguated record
Takehito Doi
Also filed as: DOI TAKEHITO
11 granted patents·199 citations·filing 1990–2010
91Inventor score
Top patents by PatentIndex Score
11 records- 0186US6853257B2PLL circuit including a voltage controlled oscillator and a method for controlling a voltage controlled oscillatorFUJITSU LTD·Filed 2003·Granted Feb 8, 2005·28 cites·6 claims
- 0282US7250773B2Circuit for detecting difference in capacitanceFUJITSU LTD·Filed 2006·Granted Jul 31, 2007·10 cites·5 claims
- 0370US5124776ABipolar integrated circuit having a unit block structureFUJITSU LTD·Filed 1990·Granted Jun 23, 1992·36 cites·22 claims
- 0465US7119555B2Circuit for detecting difference in capacitanceFUJITSU LTD·Filed 2004·Granted Oct 10, 2006·9 cites·4 claims
- 0564US5528171AECL-to-CMOS signal level converterFUJITSU LTD·Filed 1994·Granted Jun 18, 1996·18 cites·6 claims
- 0663US7777474B2DC-DC converter with oscillator and monitoring functionFUJITSU SEMICONDUCTOR LTD·Filed 2007·Granted Aug 17, 2010·8 cites·18 claims
- 0763US5388055ASemiconductor integrated circuit having polycell structure and method of designing the sameFUJITSU LTD·Filed 1991·Granted Feb 7, 1995·39 cites·17 claims
- 0861US6757349B1PLL frequency synthesizer with lock detection circuitFUJITSU LTD·Filed 1998·Granted Jun 29, 2004·24 cites·21 claims
- 0958US8922181B2Power control circuit performing soft start operation. power supply device, and electronic deviceYAMAURA HIDETAKA·Filed 2010·Granted Dec 30, 2014·6 cites·15 claims
- 1056US5534821ACharge pump circuits for PLL frequency synthesizerFUJITSU LTD·Filed 1994·Granted Jul 9, 1996·21 cites·6 claims
- 1131US8049539B2Circuit with variation correction functionFUJITSU SEMICONDUCTOR LTD·Filed 2003·Granted Nov 1, 2011·0 cites·12 claims
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