Inventor
YEH CHIA-JUI
TD35 patents
⚠️ This page may combine multiple inventors who share the name “YEH CHIA-JUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WALTOP INT CORP
15 patentsUS9965060B1May 8, 2018
Capacitive stylus and tilt angle detecting method thereof
WALTOP INT CORP12 citations84
US9690399B2Jun 27, 2017
Signal decoding and modulation processing system for capacitive stylus
WALTOP INT CORP8 citations82
US8941626B1Jan 27, 2015
Method for compensating electromagnetic inductive pressure level
WALTOP INT CORP8 citations81
US11042231B2Jun 22, 2021
Stylus structure for transmitting a color signal
WALTOP INT CORP2 citations64
US10564737B2Feb 18, 2020
Capacitive stylus with eraser
WALTOP INT CORP1 citations61
US9983698B2May 29, 2018
Capacitive stylus signal transmitting and application method and capacitive stylus applying this method
WALTOP INT CORP1 citations52
US10429956B2Oct 1, 2019
Capacitive stylus with detachable eraser
WALTOP INT CORP0 citations51
US10042444B2Aug 7, 2018
Capacitive stylus with two transmit electrodes
WALTOP INT CORP1 citations51
US9171664B2Oct 27, 2015
Touch input device and induction coil thereof
WALTOP INT CORP1 citations50
US9158394B2Oct 13, 2015
Stylus for use with capacitive touch panel
WALTOP INT CORP1 citations50
US7843440B2Nov 30, 2010
Scrolling electronic whiteboard
WALTOP INT CORP1 citations48
US9280217B2Mar 8, 2016
Capacitive pointer
WALTOP INT CORP0 citations45
US10082894B2Sep 25, 2018
Synchronized time difference signal transmitting method and capacitive stylus as well as touch input apparatus applying this method
WALTOP INT CORP0 citations41
US10082895B2Sep 25, 2018
Capacitive stylus and touch control apparatus applying synchronized time difference signal transmitting method
WALTOP INT CORP0 citations39
US9229546B2Jan 5, 2016
Circuit of frequency counter and method thereof
WALTOP INT CORP0 citations34
AIPTEK INT INC
6 patentsUS6180894B1Jan 30, 2001
Dual mode digitizer tablet system
AIPTEK INT INC94 citations97
US6787715B2Sep 7, 2004
N-shaped antenna loops of digitizer tablet for reducing antenna switches and the method for locating the cordless pen
AIPTEK INT INC22 citations92
US6636184B1Oct 21, 2003
Antenna layout and coordinate positioning method for electromagnetic-induction systems
AIPTEK INT INC9 citations74
US6485306B1Nov 26, 2002
Locus-recordable portable handwriting device
AIPTEK INT INC10 citations74
US6862018B2Mar 1, 2005
Cordless pressure-sensitivity and electromagnetic-induction system with specific frequency producer and two-way transmission gate control circuit
AIPTEK INT INC2 citations63
US6717574B2Apr 6, 2004
Feedback peak detector fitted wireless handwriting tablet
AIPTEK INT INC5 citations63
YEH CHIA-JUI
6 patentsUS8300030B2Oct 30, 2012
Tablet and coordinate computation circuit thereof
YEH CHIA-JUI6 citations71
US8493367B2Jul 23, 2013
Inputting device for handwriting system
YEH CHIA-JUI7 citations64
US8427454B2Apr 23, 2013
Electromagnetic pen with a multi-functions tail part
YEH CHIA-JUI5 citations64
US8124892B2Feb 28, 2012
Electromagnetic manuscript input apparatus and method thereof
YEH CHIA-JUI4 citations62
US8278572B2Oct 2, 2012
Electromagnetic induction handwriting system and coordinate determining method thereof
YEH CHIA-JUI1 citations51
US8884931B2Nov 11, 2014
Handwriting input apparatus
YEH CHIA-JUI0 citations48
WACOM CO LTD
5 patentsUS9778777B2Oct 3, 2017
Electromagnetic input device and coil detection circuit thereof
WACOM CO LTD4 citations73
US9052756B2Jun 9, 2015
Electromagnetic writing unit and electromagnetic handwriting pen for concurrently providing ink writing and electromagnetic writing functions
WACOM CO LTD4 citations71
US9207784B2Dec 8, 2015
Pressure-sensitive electromagnetic pointer and control method thereof
WACOM CO LTD2 citations59
US9377920B2Jun 28, 2016
Electromagnetic induction panel structure and method of manufacturing the same, and electromagnetic handwriting input device
WACOM CO LTD0 citations45
US9092107B2Jul 28, 2015
Electromagnetic pen with electromagnetic and ink writing functions
WACOM CO LTD0 citations39