Yen; Yung-Chang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yen; Yung-Chang.The latest application filed is for "protective cover, key assembly using the same and portable electronic device using the key assembly".
- Yen; Yung-Chang - Taipei Hsien N/A TW
- YEN; YUNG-CHANG - Shindian TW
| Patent | Date |
|---|---|
| Protective cover, key assembly using the same and portable electronic device using the key assembly Grant 8,373,975 - Liang , et al. February 12, 2 | 2013-02-12 |
| Key button structure Grant 8,288,671 - Liang , et al. October 16, 2 | 2012-10-16 |
| Battery cover latch mechanism and portable electronic device using same Grant 8,251,408 - Chen , et al. August 28, 2 | 2012-08-28 |
| Protective cover mechanism Grant 8,244,322 - Li , et al. August 14, 2 | 2012-08-14 |
| Protective Cover, Key Assembly Using The Same And Portable Electronic Device Using The Key Assembly App 20110228493 - LIANG; SHI-XU ; et al. | 2011-09-22 |
| Telescoping Stylus For Portable Electronic Device App 20110227880 - LIANG; SHI-XU ; et al. | 2011-09-22 |
| Telescoping Stylus For Portable Electronic Device App 20110193828 - QIU; YU ; et al. | 2011-08-11 |
| Key Button Structure App 20110073452 - LIANG; SHI-XU ; et al. | 2011-03-31 |
| Door hinge pin for portable electronic device Grant 7,698,786 - Chang , et al. April 20, 2 | 2010-04-20 |
| Battery Cover Latch Mechanism And Portable Electronic Device Using Same App 20100024304 - CHEN; JIN-LIAN ; et al. | 2010-02-04 |
| Slide Mechanism For Portable Electronic Device App 20100008607 - LIAO; XIN-FENG ; et al. | 2010-01-14 |
| Battery Cover Mechanism App 20090291363 - ZHANG; SHU-FENG ; et al. | 2009-11-26 |
| Protective Cover Mechanism App 20090286431 - Li; Qing-Meng ; et al. | 2009-11-19 |
| Door Hinge Pin For Portable Electronic Device App 20090094790 - CHANG; CHIH-CHIANG ; et al. | 2009-04-16 |
| Keypad Assembly And Portable Electronic Device Using The Same App 20090091933 - YEN; YUNG-CHANG ; et al. | 2009-04-09 |
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