Inventor · disambiguated record
Tatsumi Fujiyoshi
Also filed as: FUJIYOSHI TATSUMI
34 granted patents·5 pending applications·698 citations·filing 1992–2023
97Inventor score
Files withALPS ALPINE CO LTD15ALPS ELECTRIC CO LTD14FRONTEC INC3LG PHILIPS LCD CO LTD3FUJIYOSHI TATSUMI2
Top patents by PatentIndex Score
39 records- 0195US12019109B2Capacitance detection device and capacitance detection methodALPS ALPINE CO LTD·Filed 2022·Granted Jun 25, 2024·4 cites·11 claims
- 0295US7336254B2Shift register that suppresses operation failure due to transistor threshold variations, and liquid crystal driving circuit including the shift registerALPS ELECTRIC CO LTD·Filed 2005·Granted Feb 26, 2008·21 cites·11 claims
- 0395US6327008B1Color liquid crystal display unitLG PHILIPS CO LTD·Filed 1996·Granted Dec 4, 2001·173 cites·3 claims
- 0494US10817114B2Capacitance detection device for detecting capacitance between object proximate to detection electrode and the detection electrode and input device used for inputting information according to proximity of objectALPS ALPINE CO LTD·Filed 2019·Granted Oct 27, 2020·14 cites·19 claims
- 0592US11599222B2Detection deviceALPS ALPINE CO LTD·Filed 2021·Granted Mar 7, 2023·2 cites·7 claims
- 0692US6922189B2Image-signal driving circuit eliminating the need to change order of inputting image data to source driverALPS ELECTRIC CO LTD·Filed 2002·Granted Jul 26, 2005·53 cites·21 claims
- 0788US6552707B1Drive method for liquid crystal display device and drive circuitALPS ELECTRIC CO LTD·Filed 1999·Granted Apr 22, 2003·89 cites·26 claims
- 0885US6323871B1Display device and its driving methodLG PHILIPS LCD CO LTD·Filed 1998·Granted Nov 27, 2001·75 cites·5 claims
- 0984US11327100B2Electrostatic sensor and door handleALPS ALPINE CO LTD·Filed 2020·Granted May 10, 2022·2 cites·20 claims
- 1079US6184853B1Method of driving display deviceLG PHILIPS LCD CO LTD·Filed 1998·Granted Feb 6, 2001·56 cites·6 claims
- 1177US6011530ALiquid crystal displayFRONTEC INC·Filed 1997·Granted Jan 4, 2000·50 cites·14 claims
- 1276US11511605B2Operation input device and door handleALPS ALPINE CO LTD·Filed 2020·Granted Nov 29, 2022·1 cites·8 claims
- 1376US6211854B1Display apparatus and driving method thereforFRONTEC INC·Filed 1999·Granted Apr 3, 2001·47 cites·4 claims
- 1474US10942613B2Input device and method of controlling the sameALPS ALPINE CO LTD·Filed 2019·Granted Mar 9, 2021·2 cites·12 claims
- 1574US7102364B2Capacitance detecting circuit and detecting method, and fingerprint sensor employing the sameALPS ELECTRIC CO LTD·Filed 2004·Granted Sep 5, 2006·31 cites·9 claims
- 1670US11112920B2Input device and image data calculation methodALPS ALPINE CO LTD·Filed 2019·Granted Sep 7, 2021·1 cites·10 claims
- 1769US12174047B2Capacitance detection device and capacitance detection methodALPS ALPINE CO LTD·Filed 2023·Granted Dec 24, 2024·0 cites·11 claims
- 1868US6593939B2Image display device and driver circuit thereforALPS ELECTRIC CO LTD·Filed 2001·Granted Jul 15, 2003·9 cites·22 claims
- 1967US6624825B1Pixel resolution converting circuit and image display device using the sameALPS ELECTRIC CO LTD·Filed 2000·Granted Sep 23, 2003·13 cites·18 claims
- 2066US7570789B2Charge detecting circuit and fingerprint sensor using the sameALPS ELECTRIC CO LTD·Filed 2005·Granted Aug 4, 2009·6 cites·7 claims
- 2162US6331862B1Image expansion display and driverLG PHILIPS LCD CO LTD·Filed 1999·Granted Dec 18, 2001·22 cites·5 claims
- 2261US12386464B2Proximity detection deviceALPS ALPINE CO LTD·Filed 2023·Granted Aug 12, 2025·0 cites·14 claims
- 2358US5251051ACircuit for driving liquid crystal panelALPS ELECTRIC CO LTD·Filed 1992·Granted Oct 5, 1993·22 cites·1 claims
- 2458US2024011801A1Capacitive sensorALPS ALPINE CO LTD·Filed 2023·Application pending·0 cites
- 2557US8339350B2Image display method and apparatusFUJIYOSHI TATSUMI·Filed 2009·Granted Dec 25, 2012·0 cites·9 claims
- 2657US2013207941A1Image display method and apparatusEIDOS ADVANCED DISPLAY LLC·Filed 2012·Application pending·0 cites
- 2749US6744216B2Display device requiring no scramble circuitALPS ELECTRIC CO LTD·Filed 2002·Granted Jun 1, 2004·2 cites·10 claims
- 2848US11131566B2Electrostatic sensorALPS ALPINE CO LTD·Filed 2020·Granted Sep 28, 2021·0 cites·11 claims
- 2947US11379086B2Proximity detecting device having obliquely crossing detection electrode groupALPS ALPINE CO LTD·Filed 2021·Granted Jul 5, 2022·0 cites·6 claims
- 3047US9678191B2Electrostatic capacitance detection circuit and input deviceALPS ELECTRIC CO LTD·Filed 2013·Granted Jun 13, 2017·0 cites·13 claims
- 3147US2005190139A1Load capacity driving circuit and liquid crystal driving circuitALPS ELECTRIC CO LTD·Filed 2005·Application pending·0 cites
- 3244US11188166B2Input deviceALPS ALPINE CO LTD·Filed 2020·Granted Nov 30, 2021·0 cites·12 claims
- 3341US10511290B2Sine-wave multiplier and input device including the sameALPS ALPINE CO LTD·Filed 2018·Granted Dec 17, 2019·0 cites·9 claims
- 3441US2004095306A1Driving circuit for driving capacitive element with reduced power loss in output stageALPS ELECTRIC CO LTD·Filed 2003·Application pending·0 cites
- 3538US10331409B2Sine wave multiplication device and input device having the sameALPS ALPINE CO LTD·Filed 2017·Granted Jun 25, 2019·0 cites·8 claims
- 3638US10152186B2Input device for detecting an electrostatic capacitance of an objectALPS ELECTRIC CO LTD·Filed 2017·Granted Dec 11, 2018·0 cites·9 claims
- 3738US8653836B2Coordinate detecting deviceFUJIYOSHI TATSUMI·Filed 2012·Granted Feb 18, 2014·0 cites·4 claims
- 3832US5875015AColor liquid crystal display wherein intervals between adjacent lines passing adjacent pixels of same color are 260 μm or belowFRONTEC INC·Filed 1997·Granted Feb 23, 1999·3 cites·3 claims
- 3931US2004085115A1Source-follower circuit having low-loss output statge portion and drive device for liquid-display display deviceALPS ELECTRIC CO LTD·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →