Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11042231 | Stylus structure for transmitting a color signal | Teng-Fa Yang | 2021-06-22 |
| 10564737 | Capacitive stylus with eraser | Yi-Chih Chang | 2020-02-18 |
| 10429956 | Capacitive stylus with detachable eraser | Yi-Chih Chang | 2019-10-01 |
| 10082894 | Synchronized time difference signal transmitting method and capacitive stylus as well as touch input apparatus applying this method | — | 2018-09-25 |
| 10082895 | Capacitive stylus and touch control apparatus applying synchronized time difference signal transmitting method | CHUNG-FUU MAO | 2018-09-25 |
| 10042444 | Capacitive stylus with two transmit electrodes | Yi-Chih Chang | 2018-08-07 |
| 9983698 | Capacitive stylus signal transmitting and application method and capacitive stylus applying this method | — | 2018-05-29 |
| 9965060 | Capacitive stylus and tilt angle detecting method thereof | Hung-I Wang | 2018-05-08 |
| 9778777 | Electromagnetic input device and coil detection circuit thereof | — | 2017-10-03 |
| 9690399 | Signal decoding and modulation processing system for capacitive stylus | CHUNG-FUU MAO | 2017-06-27 |
| 9377920 | Electromagnetic induction panel structure and method of manufacturing the same, and electromagnetic handwriting input device | Wen-Chieh Lee, Shang-Jen Hsu | 2016-06-28 |
| 9280217 | Capacitive pointer | Yu Chiehmr Ho | 2016-03-08 |
| 9229546 | Circuit of frequency counter and method thereof | Cheng-Wei Wang, In-koune Kao | 2016-01-05 |
| 9207784 | Pressure-sensitive electromagnetic pointer and control method thereof | A-Li Wong, Chih-Jen Li | 2015-12-08 |
| 9171664 | Touch input device and induction coil thereof | CHUNG-FUU MAO, Chien-Chia Lien | 2015-10-27 |
| 9158394 | Stylus for use with capacitive touch panel | CHUNG-FUU MAO, Chien-Chia Lien | 2015-10-13 |
| 9092107 | Electromagnetic pen with electromagnetic and ink writing functions | Chung-Hsuan Li | 2015-07-28 |
| 9052756 | Electromagnetic writing unit and electromagnetic handwriting pen for concurrently providing ink writing and electromagnetic writing functions | Chung-Hsuan Li | 2015-06-09 |
| 8941626 | Method for compensating electromagnetic inductive pressure level | Yu-Kuan Chang | 2015-01-27 |
| 8884931 | Handwriting input apparatus | A-Li Wong | 2014-11-11 |
| 8781789 | Method for determining incline angle of electromagnetic pointer | Cheng-Liang Hsieh, Yun-Hsiang Yeh | 2014-07-15 |
| 8659580 | Electromagnetic pen without a battery | CHUNG-FUU MAO | 2014-02-25 |
| 8493367 | Inputting device for handwriting system | Hang Chu | 2013-07-23 |
| 8427454 | Electromagnetic pen with a multi-functions tail part | Jen-Shuo Liu | 2013-04-23 |
| 8300030 | Tablet and coordinate computation circuit thereof | Yun-Hsiang Yeh | 2012-10-30 |