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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".
Patent | Date |
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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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