Inventor · disambiguated record
Ken Kawahata
Also filed as: KAWAHATA KEN
19 granted patents·3 pending applications·1,019 citations·filing 1995–2015
96Inventor score
Top patents by PatentIndex Score
22 records- 0198US5870071ALCD gate line drive circuitFRONTEC INC·Filed 1996·Granted Feb 9, 1999·347 cites·5 claims
- 0296US6356318B1Active-matrix liquid crystal display having storage capacitors of area smaller than that of pixel electrodesALPS ELECTRIC CO LTD·Filed 2000·Granted Mar 12, 2002·131 cites·22 claims
- 0395US6583777B2Active matrix type liquid crystal display device, and substrate for the sameALPS ELECTRIC CO LTD·Filed 2001·Granted Jun 24, 2003·70 cites·18 claims
- 0494US6707441B1Active matrix type liquid crystal display device, and substrate for the sameLG PHILIPS LCD CO LTD·Filed 1999·Granted Mar 16, 2004·123 cites·37 claims
- 0591US6862942B2Surface pressure distribution sensorALPS ELECTRIC CO LTD·Filed 2004·Granted Mar 8, 2005·53 cites·7 claims
- 0690US6507375B1Liquid crystal display device in which neighboring pixel electrodes overlap source line by different widthsALPS ELECTRIC CO LTD·Filed 2000·Granted Jan 14, 2003·46 cites·23 claims
- 0789US6621886B2Shift register having fewer lines therein, and liquid crystal display having the sameALPS ELECTRIC CO LTD·Filed 2001·Granted Sep 16, 2003·52 cites·20 claims
- 0880US5726077AMethod of producing an electro-optical deviceFRONTEC INC·Filed 1995·Granted Mar 10, 1998·35 cites·11 claims
- 0979US6963327B2Shift register circuit including first shift register having plurality of stages connected in cascade and second shift register having more stagesALPS ELECTRONICS CO LTD·Filed 2001·Granted Nov 8, 2005·29 cites·41 claims
- 1077US6011530ALiquid crystal displayFRONTEC INC·Filed 1997·Granted Jan 4, 2000·50 cites·14 claims
- 1174US7102364B2Capacitance detecting circuit and detecting method, and fingerprint sensor employing the sameALPS ELECTRIC CO LTD·Filed 2004·Granted Sep 5, 2006·31 cites·9 claims
- 1268US6593939B2Image display device and driver circuit thereforALPS ELECTRIC CO LTD·Filed 2001·Granted Jul 15, 2003·9 cites·22 claims
- 1362US6331862B1Image expansion display and driverLG PHILIPS LCD CO LTD·Filed 1999·Granted Dec 18, 2001·22 cites·5 claims
- 1450US9702909B2Manufacturing method for current sensor and current sensorALPS ELECTRIC CO LTD·Filed 2014·Granted Jul 11, 2017·0 cites·5 claims
- 1544US5879958AMethod of producing an electro-optical deviceFRONTEC INC·Filed 1996·Granted Mar 9, 1999·6 cites·1 claims
- 1641US6297793B1Liquid-crystal display deviceLG PHILIPS LCD CO LTD·Filed 1999·Granted Oct 2, 2001·8 cites·6 claims
- 1741US5869351AMethod of producing an electro-optical deviceFRONTEC INC·Filed 1996·Granted Feb 9, 1999·5 cites·1 claims
- 1839US2005253598A1Capacitance detection-type sensorALPS ELECTRIC CO LTD·Filed 2005·Application pending·0 cites
- 1939US2006119369A1Capacity detecting sensorALPS ELECTRIC CO LTD·Filed 2005·Application pending·0 cites
- 2037US9772354B2Output circuit with limited output voltage range and reduced power consumption and current sensor having the sameALPS ELECTRIC CO LTD·Filed 2015·Granted Sep 26, 2017·0 cites·8 claims
- 2137US2004066474A1Liquid crystal display apparatusALPS ELECTRIC CO LTD·Filed 2003·Application pending·0 cites
- 2234US5837559AMethod of producing an electro-optical deviceFRONTEC INC·Filed 1996·Granted Nov 17, 1998·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →