Inventor · disambiguated record
Yuji Segawa
Also filed as: SEGAWA YUJI
44 granted patents·18 pending applications·877 citations·filing 1992–2020
98Inventor score
Top patents by PatentIndex Score
62 records- 0195US6456170B1Comparator and voltage controlled oscillator circuitFUJITSU LTD·Filed 2000·Granted Sep 24, 2002·91 cites·5 claims
- 0292USD956261SGenetic test device test unitEIKEN CHEMICAL·Filed 2020·Granted Jun 28, 2022·25 cites·1 claims
- 0391US6555158B1Method and apparatus for plating, and plating structureSONY CORP·Filed 2000·Granted Apr 29, 2003·64 cites·30 claims
- 0489US6638564B2Method of electroless plating and electroless plating apparatusSONY CORP·Filed 2001·Granted Oct 28, 2003·46 cites·49 claims
- 0589US6479384B2Process for fabricating a semiconductor deviceSONY CORP·Filed 2001·Granted Nov 12, 2002·47 cites·18 claims
- 0688US5523721ADigitally controlled variable gain circuitFUJITSU LTD·Filed 1995·Granted Jun 4, 1996·76 cites·30 claims
- 0786US6534117B1Electroless plating method and electroless plating solutionSONY CORP·Filed 2000·Granted Mar 18, 2003·32 cites·8 claims
- 0885US6797623B2Methods of producing and polishing semiconductor device and polishing apparatusSONY CORP·Filed 2001·Granted Sep 28, 2004·30 cites·26 claims
- 0984US5870000AOscillation circuit and PLL circuit using sameFUJITSU LTD·Filed 1997·Granted Feb 9, 1999·59 cites·11 claims
- 1082US6808617B2Electrolytic polishing methodSONY CORP·Filed 2001·Granted Oct 26, 2004·21 cites·49 claims
- 1182US5419991AMethod of manufacturing a liquid crystal displaySONY CORP·Filed 1994·Granted May 30, 1995·60 cites·15 claims
- 1278US6342818B1PLL having switching circuit for maintaining lock during loss of input signalFUJITSU LTD·Filed 1999·Granted Jan 29, 2002·43 cites·13 claims
- 1377US8017380B2Real-time PCR systemSONY CORP·Filed 2008·Granted Sep 13, 2011·6 cites·7 claims
- 1476US6211746B1Integration method and integration circuit offering improved signal-to-noise ratio, and voltage-controlled oscillator and frequency-voltage converter employing integration circuitFUJITSU LTD·Filed 1999·Granted Apr 3, 2001·29 cites·18 claims
- 1574USD833033SGenetic testing device master unitEIKEN CHEMICAL·Filed 2017·Granted Nov 6, 2018·16 cites·1 claims
- 1673US7186322B2Methods of producing and polishing semiconductor device and polishing apparatusSONY CORP·Filed 2002·Granted Mar 6, 2007·14 cites·42 claims
- 1773US5955925ADigital AGC circuitFUJITSU LTD·Filed 1997·Granted Sep 21, 1999·27 cites·4 claims
- 1871US9132424B2Microchip and method of producing microchipWATANABE HIDETOSHI·Filed 2011·Granted Sep 15, 2015·2 cites·16 claims
- 1971US5319345AVariable resistorFUJITSU LTD·Filed 1992·Granted Jun 7, 1994·23 cites·9 claims
- 2069US5633939ACompander circuitFUJITSU LTD·Filed 1994·Granted May 27, 1997·25 cites·30 claims
- 2168US6509791B2Switched capacitor filter circuitFUJITSU LTD·Filed 2002·Granted Jan 21, 2003·12 cites·6 claims
- 2267USD837813SDisplay screen with graphical user interfaceEIKEN CHEMICAL·Filed 2017·Granted Jan 8, 2019·12 cites·1 claims
- 2366US8324597B2Light detection deviceFUKUMOTO ATSUSHI·Filed 2010·Granted Dec 4, 2012·1 cites·10 claims
- 2464US7709195B2Hybridization detecting unit relying on dielectrophoresis and sensor chip provided with the detecting unitSONY CORP·Filed 2005·Granted May 4, 2010·3 cites·13 claims
- 2562US9475051B2Nucleic acid amplifierSEGAWA YUJI·Filed 2008·Granted Oct 25, 2016·2 cites·11 claims
- 2662US6835292B2Electrochemical thin film polishing method and polishing apparatusSONY CORP·Filed 2003·Granted Dec 28, 2004·10 cites·23 claims
- 2761US9651492B2Optical detectorSONY CORP·Filed 2015·Granted May 16, 2017·0 cites·9 claims
- 2860US9228950B2Optical detectorSONY CORP·Filed 2014·Granted Jan 5, 2016·0 cites·10 claims
- 2958US9597683B2Microchip and method of producing microchipSONY CORP·Filed 2015·Granted Mar 21, 2017·0 cites·14 claims
- 3055US5793257AOscillator having switching capacitors and phase-locked loop employing sameFUJITSU LTD·Filed 1997·Granted Aug 11, 1998·16 cites·12 claims
- 3154US6064243ACurrent switch and PLL in which it is usedFUJITSU LTD·Filed 1998·Granted May 16, 2000·16 cites·7 claims
- 3253US6100766ACorrection circuit controlling sensitivities of an oscillator circuit and electronic device using the sameFUJITSU LTD·Filed 1997·Granted Aug 8, 2000·17 cites·12 claims
- 3353US2007051632A1Polishing method, polishing apparatus, plating method, and plating apparatusSONY CORP·Filed 2006·Application pending·0 cites
- 3452US6979645B2Method of producing a semiconductor device having copper wiringSONY CORP·Filed 2003·Granted Dec 27, 2005·3 cites·7 claims
- 3552US5506707AElectrode substrate having double layers of indium tin oxide and method for making the sameSONY CORP·Filed 1994·Granted Apr 9, 1996·15 cites·8 claims
- 3651US11325116B2Tip setEIKEN CHEMICAL·Filed 2018·Granted May 10, 2022·0 cites·6 claims
- 3750US2005112548A1Unit for detecting interaction between substances utilizing capillarity, and method and bioassay substrate using the detecting unitFiled 2004·Application pending·0 cites
- 3848US6911396B2Method of producing metallic filmSONY CORP·Filed 2002·Granted Jun 28, 2005·1 cites·7 claims
- 3947US6855634B2Polishing method and polishing apparatusSONY CORP·Filed 2001·Granted Feb 15, 2005·2 cites·14 claims
- 4046US8945911B2Optical detectorSEGAWA YUJI·Filed 2010·Granted Feb 3, 2015·0 cites·8 claims
- 4146US5697391AMethod for making a color filterSONY CORP·Filed 1997·Granted Dec 16, 1997·12 cites·13 claims
- 4246US5579214AHalf-wave rectifier circuitFUJITSU LTD·Filed 1994·Granted Nov 26, 1996·15 cites·11 claims
- 4345US2015239217A1Microchip and method for manufacturing the sameSONY CORP·Filed 2013·Application pending·0 cites
- 4445US2019302137A1Automatic genetic testing deviceEIKEN CHEMICAL·Filed 2018·Application pending·0 cites
- 4544US9669407B2MicrochipKOJIMA KENSUKE·Filed 2011·Granted Jun 6, 2017·0 cites·8 claims
- 4644US2013034857A1Optical analysis apparatus and optical analysis methodSONY CORP·Filed 2012·Application pending·0 cites
- 4744US2014134077A1Sample liquid injection tool and sample liquid heat treatment apparatusSONY CORP·Filed 2013·Application pending·0 cites
- 4844US2014241955A1Sample liquid injection jig setSONY CORP·Filed 2012·Application pending·0 cites
- 4944US2015139866A1MicrochipSONY CORP·Filed 2013·Application pending·0 cites
- 5043US2004182720A1Polishing method, polishing apparatus, plating method, and plating apparatusFiled 2004·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →