CHANG; YI-CHIH
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHANG; YI-CHIH.The latest application filed is for "portable charging device".
- CHANG; YI-CHIH - Hsinchu City TW
- Chang; Yi-Chih - Hsinchu TW
- CHANG; Yi-Chih - Hsin-Chu TW
- Chang; Yi-Chih - Taipei TW
- CHANG; YI-CHIH - TAIPEI CITY TW
| Patent | Date |
|---|---|
| Portable Charging Device App 20220209554 - WANG; HUNG-I ; et al. | 2022-06-30 |
| Stylus structure having a barrier unit for contacting with a trigger component Grant 11,023,057 - Chang , et al. June 1, 2 | 2021-06-01 |
| Stylus Structure Having A Barrier Unit For Contacting With A Trigger Component App 20210124436 - CHANG; YI-CHIH ; et al. | 2021-04-29 |
| Stylus Structure App 20210117017 - CHANG; YI-CHIH ; et al. | 2021-04-22 |
| Message erasing device and message erasing system Grant 10,895,930 - Chang , et al. January 19, 2 | 2021-01-19 |
| Pressure Triggered Stylus Structure App 20200293124 - CHANG; YI-CHIH ; et al. | 2020-09-17 |
| Methods For Wafer Bonding App 20200172393 - CHANG; Chien-Wei ; et al. | 2020-06-04 |
| Portable electronic device and stylus thereof Grant 10,613,647 - Chang | 2020-04-07 |
| Portable electronic device and active capacitive stylus thereof Grant 10,599,272 - Chang | 2020-03-24 |
| Capacitive stylus with eraser Grant 10,564,737 - Yeh , et al. Feb | 2020-02-18 |
| Message Erasing Device And Message Erasing System App 20200050340 - CHANG; YI-CHIH ; et al. | 2020-02-13 |
| Capacitive stylus with detachable eraser Grant 10,429,956 - Yeh , et al. O | 2019-10-01 |
| Portable Electronic Device And Stylus Thereof App 20190272049 - CHANG; YI-CHIH | 2019-09-05 |
| Capacitive Stylus With Detachable Eraser App 20190056806 - Yeh; Chia-Jui ; et al. | 2019-02-21 |
| Capacitive Stylus With Eraser App 20190056807 - Yeh; Chia-Jui ; et al. | 2019-02-21 |
| Portable Electronic Device And Active Capacitive Stylus Thereof App 20180260048 - CHANG; YI-CHIH | 2018-09-13 |
| Capacitive stylus with two transmit electrodes Grant 10,042,444 - Yeh , et al. August 7, 2 | 2018-08-07 |
| Capacitive Stylus With Two Transmit Electrodes App 20180120958 - Yeh; Chia-Jui ; et al. | 2018-05-03 |
| Capacitive Stylus With Replaceable Conductive Nib App 20170242501 - Tang; Ying-Hwa ; et al. | 2017-08-24 |
| Portable electronic device and miniaturization rechargeable capacitive stylus thereof Grant 9,703,401 - Chang July 11, 2 | 2017-07-11 |
| Capacitive Stylus App 20170108956 - TANG; YING-HWA ; et al. | 2017-04-20 |
| Capacitive Stylus Having Adjustable Pressure Sensing Structure App 20170108953 - MAO; CHUNG-FUU ; et al. | 2017-04-20 |
| Capacitive Whiteboard Eraser App 20170108962 - TANG; YING HWA ; et al. | 2017-04-20 |
| Rechargeable capacitive stylus Grant 9,626,011 - Chang April 18, 2 | 2017-04-18 |
| Portable electronic device and miniaturization rechargeable capacitive stylus thereof Grant 9,606,642 - Chang March 28, 2 | 2017-03-28 |
| Portable Electronic Device And Miniaturization Rechargeable Capacitive Stylus Thereof App 20170075440 - CHANG; YI-CHIH | 2017-03-16 |
| Portable Electronic Device And Miniaturization Rechargeable Capacitive Stylus Thereof App 20160357276 - CHANG; YI CHIH | 2016-12-08 |
| Rechargeable Capacitive Stylus App 20160320868 - CHANG; YI CHIH | 2016-11-03 |
| Video signal displaying system App 20060290815 - Chang; Yi-Chih ; et al. | 2006-12-28 |
| Notebook computer Grant D417,204 - Liu , et al. November 30, 1 | 1999-11-30 |
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