CHENG WEN-CHIEH has a total of 11 patent applications. Its first patent ever was published in 2010. It filed its patents most often in United States. Its main competitors in its focus markets computer technology, audio-visual technology and optics are CANDO CORP, G M CORP LTD and CHENGDU YOYOUMOBILE SCIENCE & TECHNOLOGY CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 |
# | Industry | |
---|---|---|
#1 | Computer technology | |
#2 | Audio-visual technology | |
#3 | Optics | |
#4 | Electrical machinery and energy | |
#5 | Environmental technology | |
#6 | Machine tools |
# | Name | Total Patents |
---|---|---|
#1 | Cheng Wen-Chieh | 11 |
#2 | Lee Yao-Ting | 4 |
#3 | Wang Chih-Yi | 3 |
#4 | Lin Li-Sheng | 2 |
#5 | Kao Jung-Pin | 2 |
#6 | Chen Hsin-Hao | 2 |
#7 | Chen Kuang-Hung | 1 |
#8 | Luo Yi-Chieh | 1 |
Publication | Filing date | Title |
---|---|---|
US2013017698A1 | Portable electronic device and battery ejecting structure thereof | |
US2011255245A1 | Power supply device having heat-dissipating function |