Inventor
Chia-Jui Yeh
Inventor
Taipei, TW
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing74%
H01QAntennas, i.e. radio aerials5%
B43KImplements for writing or drawing2%
G01CMeasuring distances, levels or bearings2%
G01RMeasuring electric variables2%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices2%
G05BControl or regulating systems in general2%
G06VImage or video recognition or understanding2%
G09BEducational or demonstration appliances2%
H01FMagnets2%
PatentTitleYear
10,564,737Capacitive stylus with eraser202010,429,956Capacitive stylus with detachable eraser201910,082,895Capacitive stylus and touch control apparatus applying synchronized time difference signal transmitting method201810,082,894Synchronized time difference signal transmitting method and capacitive stylus as well as touch input apparatus applying this method201810,042,444Capacitive stylus with two transmit electrodes20189,983,698Capacitive stylus signal transmitting and application method and capacitive stylus applying this method20189,965,060Capacitive stylus and tilt angle detecting method thereof20189,778,777'Electromagnetic input device and coil detection circuit thereof'20179,690,399'Signal decoding and modulation processing system for capacitive stylus'20179,377,920'Electromagnetic induction panel structure and method of manufacturing the same, and electromagnetic handwriting input device'20169,280,217'Capacitive pointer'20169,229,546'Circuit of frequency counter and method thereof'20169,207,784'Pressure-sensitive electromagnetic pointer and control method thereof'20159,171,664'Touch input device and induction coil thereof'20159,158,394'Stylus for use with capacitive touch panel'20159,092,107'Electromagnetic pen with electromagnetic and ink writing functions'20159,052,756'Electromagnetic writing unit and electromagnetic handwriting pen for concurrently providing ink writing and electromagnetic writing functions'20158,941,626'Method for compensating electromagnetic inductive pressure level'20158,884,931'Handwriting input apparatus'20148,781,789'Method for determining incline angle of electromagnetic pointer'20148,659,580'Electromagnetic pen without a battery'20148,493,367'Inputting device for handwriting system'20138,427,454'Electromagnetic pen with a multi-functions tail part'20138,300,030'Tablet and coordinate computation circuit thereof'20128,278,572'Electromagnetic induction handwriting system and coordinate determining method thereof'20128,124,892'Electromagnetic manuscript input apparatus and method thereof'20127,843,440'Scrolling electronic whiteboard'20107,015,401'Image processing system with handwriting input function and the method for forming the same'20066,862,018'Cordless pressure-sensitivity and electromagnetic-induction system with specific frequency producer and two-way transmission gate control circuit'20056,787,715'N-shaped antenna loops of digitizer tablet for reducing antenna switches and the method for locating the cordless pen'20046,717,574'Feedback peak detector fitted wireless handwriting tablet'20046,636,184'Antenna layout and coordinate positioning method for electromagnetic-induction systems'20036,485,306'Locus-recordable portable handwriting device'20026,180,894'Dual mode digitizer tablet system'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2005Patents assigned to AIPTEK INT INC (6)· patent assignee history
2001–2020Based in Taipei, TW· patent location history
2004–2018Based in Hsinchu, TW· patent location history
2010–2020Patents assigned to WALTOP INT CORP (22)· patent assignee history
2012–2014Patents assigned to YEH CHIA-JUI (8)· patent assignee history
2012–2014Patents assigned to YEH YUN-HSIANG (2)· patent assignee history
2015–2017Patents assigned to WACOM CO LTD (5)· patent assignee history
2015–2017Based in Hsinchu County, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WALTOP INT CORP | 22 | 2010–2020 |
| YEH CHIA-JUIself | 8 | 2012–2014 |
| AIPTEK INT INC | 6 | 2001–2005 |
| WACOM CO LTD | 5 | 2015–2017 |
| YEH YUN-HSIANG | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taipei, TW | 24 | 2001–2020 |
| Hsinchu, TW | 6 | 2004–2018 |
| Hsinchu County, TW | 4 | 2015–2017 |