Inventor · disambiguated record
Chia-Jui Yeh
Also filed as: YEH CHIA-JUI
35 granted patents·14 pending applications·224 citations·filing 1998–2021
96Inventor score
Top patents by PatentIndex Score
49 records- 0194US9965060B1Capacitive stylus and tilt angle detecting method thereofWALTOP INT CORP·Filed 2017·Granted May 8, 2018·12 cites·10 claims
- 0288US9690399B2Signal decoding and modulation processing system for capacitive stylusWALTOP INT CORP·Filed 2015·Granted Jun 27, 2017·8 cites·11 claims
- 0381US8941626B1Method for compensating electromagnetic inductive pressure levelWALTOP INT CORP·Filed 2013·Granted Jan 27, 2015·8 cites·4 claims
- 0481US8659580B2Electromagnetic pen without a batteryMAO CHUNG-FUU·Filed 2010·Granted Feb 25, 2014·11 cites·18 claims
- 0580US6180894B1Dual mode digitizer tablet systemAIPTEK INT INC·Filed 1998·Granted Jan 30, 2001·94 cites·7 claims
- 0677US8493367B2Inputting device for handwriting systemYEH CHIA-JUI·Filed 2010·Granted Jul 23, 2013·7 cites·10 claims
- 0776US11042231B2Stylus structure for transmitting a color signalWALTOP INT CORP·Filed 2020·Granted Jun 22, 2021·2 cites·10 claims
- 0876US9778777B2Electromagnetic input device and coil detection circuit thereofWACOM CO LTD·Filed 2013·Granted Oct 3, 2017·4 cites·21 claims
- 0975US6787715B2N-shaped antenna loops of digitizer tablet for reducing antenna switches and the method for locating the cordless penAIPTEK INT INC·Filed 2001·Granted Sep 7, 2004·22 cites·19 claims
- 1074US9052756B2Electromagnetic writing unit and electromagnetic handwriting pen for concurrently providing ink writing and electromagnetic writing functionsWACOM CO LTD·Filed 2013·Granted Jun 9, 2015·4 cites·15 claims
- 1172US6485306B1Locus-recordable portable handwriting deviceAIPTEK INT INC·Filed 2001·Granted Nov 26, 2002·10 cites·3 claims
- 1271US8300030B2Tablet and coordinate computation circuit thereofYEH CHIA-JUI·Filed 2009·Granted Oct 30, 2012·6 cites·6 claims
- 1370US10564737B2Capacitive stylus with eraserWALTOP INT CORP·Filed 2018·Granted Feb 18, 2020·1 cites·10 claims
- 1469US8427454B2Electromagnetic pen with a multi-functions tail partYEH CHIA-JUI·Filed 2010·Granted Apr 23, 2013·5 cites·13 claims
- 1568US9983698B2Capacitive stylus signal transmitting and application method and capacitive stylus applying this methodWALTOP INT CORP·Filed 2016·Granted May 29, 2018·1 cites·14 claims
- 1667US10042444B2Capacitive stylus with two transmit electrodesWALTOP INT CORP·Filed 2016·Granted Aug 7, 2018·1 cites·11 claims
- 1767US8124892B2Electromagnetic manuscript input apparatus and method thereofYEH CHIA-JUI·Filed 2008·Granted Feb 28, 2012·4 cites·11 claims
- 1864US9207784B2Pressure-sensitive electromagnetic pointer and control method thereofWACOM CO LTD·Filed 2013·Granted Dec 8, 2015·2 cites·18 claims
- 1963US6636184B1Antenna layout and coordinate positioning method for electromagnetic-induction systemsAIPTEK INT INC·Filed 2002·Granted Oct 21, 2003·9 cites·59 claims
- 2062US9171664B2Touch input device and induction coil thereofWALTOP INT CORP·Filed 2014·Granted Oct 27, 2015·1 cites·19 claims
- 2162US9158394B2Stylus for use with capacitive touch panelWALTOP INT CORP·Filed 2014·Granted Oct 13, 2015·1 cites·9 claims
- 2258US8278572B2Electromagnetic induction handwriting system and coordinate determining method thereofYEH CHIA-JUI·Filed 2009·Granted Oct 2, 2012·1 cites·10 claims
- 2356US6717574B2Feedback peak detector fitted wireless handwriting tabletAIPTEK INT INC·Filed 2001·Granted Apr 6, 2004·5 cites·9 claims
- 2454US7843440B2Scrolling electronic whiteboardWALTOP INT CORP·Filed 2007·Granted Nov 30, 2010·1 cites·7 claims
- 2553US10429956B2Capacitive stylus with detachable eraserWALTOP INT CORP·Filed 2018·Granted Oct 1, 2019·0 cites·8 claims
- 2651US6862018B2Cordless pressure-sensitivity and electromagnetic-induction system with specific frequency producer and two-way transmission gate control circuitAIPTEK INT INC·Filed 2001·Granted Mar 1, 2005·2 cites·31 claims
- 2748US2022209554A1Portable charging deviceWALTOP INT CORP·Filed 2021·Application pending·0 cites
- 2845US9280217B2Capacitive pointerWALTOP INT CORP·Filed 2014·Granted Mar 8, 2016·0 cites·10 claims
- 2945US8884931B2Handwriting input apparatusYEH CHIA-JUI·Filed 2012·Granted Nov 11, 2014·0 cites·10 claims
- 3044US10082894B2Synchronized 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
- 3144US9377920B2Electromagnetic induction panel structure and method of manufacturing the same, and electromagnetic handwriting input deviceWACOM CO LTD·Filed 2013·Granted Jun 28, 2016·0 cites·20 claims
- 3244US2015070297A1Control method for touch panelWALTOP INT CORP·Filed 2013·Application pending·0 cites
- 3344US2014375599A1Touch input system and methodWALTOP INT CORP·Filed 2013·Application pending·0 cites
- 3443US9092107B2Electromagnetic pen with electromagnetic and ink writing functionsWACOM CO LTD·Filed 2012·Granted Jul 28, 2015·0 cites·9 claims
- 3543US7015401B2Image processing system with handwriting input function and the method for forming the sameAIPTEK INTERNATIONAL INC·Filed 2001·Granted Mar 21, 2006·2 cites·31 claims
- 3643US2015029132A1Method for compensating electromagnetic inductive pressure levelWALTOP INT CORP·Filed 2013·Application pending·0 cites
- 3743US2020272253A1Pressure sensing mouseWALTOP INT CORP·Filed 2020·Application pending·0 cites
- 3842US9229546B2Circuit of frequency counter and method thereofWALTOP INT CORP·Filed 2014·Granted Jan 5, 2016·0 cites·17 claims
- 3942US2003206161A1Tablet integrated type monitor filterFiled 2002·Application pending·0 cites
- 4042US2003169238A1Computer handwriting tablet equipped with an adhesive writable padFiled 2002·Application pending·0 cites
- 4141US10082895B2Capacitive stylus and touch control apparatus applying synchronized time difference signal transmitting methodWALTOP INT CORP·Filed 2017·Granted Sep 25, 2018·0 cites·9 claims
- 4241US2013162589A1Handwriting device with magnetic recharging siteLIEN CHIEN-CHIA·Filed 2012·Application pending·0 cites
- 4337US2008186248A1Large-Sized Electromagnetic Digital Board With Segmented Frame AntennaYEH CHIA-JUI·Filed 2007·Application pending·0 cites
- 4437US2011157032A1Writing Apparatus with Electronic Soft Pen BrushWALTOP INT CORP·Filed 2010·Application pending·0 cites
- 4537US2011308867A1Handwriting input device with electromagnetic power transmittingYEH CHIA-JUI·Filed 2010·Application pending·0 cites
- 4636US2017108947A1Capacitive stylus with signal control configurationWALTOP INT CORP·Filed 2015·Application pending·0 cites
- 4735US8781789B2Method for determining incline angle of electromagnetic pointerHSIEH CHENG-LIANG·Filed 2010·Granted Jul 15, 2014·0 cites·3 claims
- 4835US2017115753A1Method for detecting orientation of stylusWALTOP INT CORP·Filed 2015·Application pending·0 cites
- 4935US2017108958A1Capacitive stylus with ballWALTOP INT CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →