Assignee
WALTOP INT CORP
TW·39 granted patents·48 pending applications·144 citations·filing 2002–2021
Top patents by PatentIndex Score
87 records- 0194US9965060B1Capacitive stylus and tilt angle detecting method thereofWALTOP INT CORP·Filed 2017·Granted May 8, 2018·12 cites·10 claims
- 0291US9626011B2Rechargeable capacitive stylusWALTOP INT CORP·Filed 2015·Granted Apr 18, 2017·13 cites·15 claims
- 0388US9690399B2Signal decoding and modulation processing system for capacitive stylusWALTOP INT CORP·Filed 2015·Granted Jun 27, 2017·8 cites·11 claims
- 0481US8941626B1Method for compensating electromagnetic inductive pressure levelWALTOP INT CORP·Filed 2013·Granted Jan 27, 2015·8 cites·4 claims
- 0580US7176907B2Device and method for pointer system of digitizer tabletWALTOP INT CORP·Filed 2002·Granted Feb 13, 2007·31 cites·24 claims
- 0679USD697915SElectromagnetic input deviceWALTOP INT CORP·Filed 2013·Granted Jan 21, 2014·26 cites·1 claims
- 0776US11042231B2Stylus structure for transmitting a color signalWALTOP INT CORP·Filed 2020·Granted Jun 22, 2021·2 cites·10 claims
- 0875US9690398B2Capacitive pointerWALTOP INT CORP·Filed 2015·Granted Jun 27, 2017·3 cites·18 claims
- 0975US8355012B2Scanning method for determining a touch position of a touch input apparatusWALTOP INT CORP·Filed 2010·Granted Jan 15, 2013·4 cites·10 claims
- 1074US9639182B1Capacitive stylus with eraserWALTOP INT CORP·Filed 2015·Granted May 2, 2017·3 cites·11 claims
- 1172US9703401B2Portable electronic device and miniaturization rechargeable capacitive stylus thereofWALTOP INT CORP·Filed 2015·Granted Jul 11, 2017·2 cites·10 claims
- 1270US10564737B2Capacitive stylus with eraserWALTOP INT CORP·Filed 2018·Granted Feb 18, 2020·1 cites·10 claims
- 1368US9983698B2Capacitive stylus signal transmitting and application method and capacitive stylus applying this methodWALTOP INT CORP·Filed 2016·Granted May 29, 2018·1 cites·14 claims
- 1467US10042444B2Capacitive stylus with two transmit electrodesWALTOP INT CORP·Filed 2016·Granted Aug 7, 2018·1 cites·11 claims
- 1566US7153016B2Package for the display module with the electromagnetic moduleWALTOP INT CORP·Filed 2003·Granted Dec 26, 2006·11 cites·25 claims
- 1662US9171664B2Touch input device and induction coil thereofWALTOP INT CORP·Filed 2014·Granted Oct 27, 2015·1 cites·19 claims
- 1762US9158394B2Stylus for use with capacitive touch panelWALTOP INT CORP·Filed 2014·Granted Oct 13, 2015·1 cites·9 claims
- 1854US9019225B2Electromagnetic pointer control methodWALTOP INT CORP·Filed 2013·Granted Apr 28, 2015·1 cites·13 claims
- 1954US7843440B2Scrolling electronic whiteboardWALTOP INT CORP·Filed 2007·Granted Nov 30, 2010·1 cites·7 claims
- 2053US10429956B2Capacitive stylus with detachable eraserWALTOP INT CORP·Filed 2018·Granted Oct 1, 2019·0 cites·8 claims
- 2151US9274618B2Active capacitive touch penWALTOP INT CORP·Filed 2013·Granted Mar 1, 2016·2 cites·5 claims
- 2250US2011084846A1Electromagnetic Whiteboard PenWALTOP INT CORP·Filed 2009·Application pending·0 cites
- 2349USD715297SElectromagnetic input deviceWALTOP INT CORP·Filed 2012·Granted Oct 14, 2014·8 cites·1 claims
- 2449US2010270090A1Electromagnetic Input ApparatusWALTOP INT CORP·Filed 2009·Application pending·0 cites
- 2549US2010271300A1Multi-Touch Pad Control MethodWALTOP INT CORP·Filed 2009·Application pending·0 cites
- 2649US2022067341A1Writing pen, signature recognition method and signature recognition systemWALTOP INT CORP·Filed 2021·Application pending·0 cites
- 2748US2022209554A1Portable charging deviceWALTOP INT CORP·Filed 2021·Application pending·0 cites
- 2846US2010271345A1Electronic White Board Capable of Printing Partial Data ThereonWALTOP INT CORP·Filed 2009·Application pending·0 cites
- 2945US9280217B2Capacitive pointerWALTOP INT CORP·Filed 2014·Granted Mar 8, 2016·0 cites·10 claims
- 3045US2015212605A1Active capacitive touch pen for providing an adjustable electromagnetic fieldWALTOP INT CORP·Filed 2014·Application pending·0 cites
- 3145US2010263945A1Rechargeable Electromagnetic PenWALTOP INT CORP·Filed 2009·Application pending·0 cites
- 3245US2015084935A1Electromagnetic and capacitive pointerWALTOP INT CORP·Filed 2014·Application pending·0 cites
- 3344US10082894B2Synchronized time difference signal transmitting method and capacitive stylus as well as touch input apparatus applying this methodWALTOP INT CORP·Filed 2016·Granted Sep 25, 2018·0 cites·10 claims
- 3444US2015070297A1Control method for touch panelWALTOP INT CORP·Filed 2013·Application pending·0 cites
- 3544US2011084942A1Data Processing Method and System with Multiple Input UnitsWALTOP INT CORP·Filed 2009·Application pending·0 cites
- 3644US2014375599A1Touch input system and methodWALTOP INT CORP·Filed 2013·Application pending·0 cites
- 3743US10895930B2Message erasing device and message erasing systemWALTOP INT CORP·Filed 2019·Granted Jan 19, 2021·0 cites·8 claims
- 3843US2015029132A1Method for compensating electromagnetic inductive pressure levelWALTOP INT CORP·Filed 2013·Application pending·0 cites
- 3943US2020341566A1Magnetic pen tip assembly and tablet system using the sameWALTOP INT CORP·Filed 2019·Application pending·0 cites
- 4043US2020272253A1Pressure sensing mouseWALTOP INT CORP·Filed 2020·Application pending·0 cites
- 4142US11023057B2Stylus structure having a barrier unit for contacting with a trigger componentWALTOP INT CORP·Filed 2020·Granted Jun 1, 2021·0 cites·4 claims
- 4242US10613647B2Portable electronic device and stylus thereofWALTOP INT CORP·Filed 2018·Granted Apr 7, 2020·0 cites·10 claims
- 4342US9229546B2Circuit of frequency counter and method thereofWALTOP INT CORP·Filed 2014·Granted Jan 5, 2016·0 cites·17 claims
- 4442US8350165B2Flexible tabletWALTOP INT CORP·Filed 2009·Granted Jan 8, 2013·0 cites·12 claims
- 4542US7358964B2Electromagnetic inductive system with multi-induction loop layout and battery less pointer device and its method for locating the coordinateWALTOP INT CORP·Filed 2002·Granted Apr 15, 2008·0 cites·14 claims
- 4642US7319458B2Electronic device with functions comparable to joystick and tabletWALTOP INT CORP·Filed 2004·Granted Jan 15, 2008·4 cites·10 claims
- 4742US2020293124A1Pressure triggered stylus structureWALTOP INT CORP·Filed 2020·Application pending·0 cites
- 4842US2014253523A1Electromagnetic Pointer Control MethodWALTOP INT CORP·Filed 2013·Application pending·0 cites
- 4941US10599272B2Portable electronic device and active capacitive stylus thereofWALTOP INT CORP·Filed 2017·Granted Mar 24, 2020·0 cites·10 claims
- 5041US10386944B2Capacitive stylus providing signals for tilt and orientation detectionWALTOP INT CORP·Filed 2017·Granted Aug 20, 2019·0 cites·10 claims
Showing the top 50 of 87 patent records by PatentIndex Score.
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