CHANG YEN-CHIH has a total of 15 patent applications. Its first patent ever was published in 2008. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and optics are SAMTEC INC, AUGAT INC and KEL KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 15 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Audio-visual technology | |
#3 | Optics | |
#4 | Machine tools | |
#5 | Semiconductors | |
#6 | Surface technology and coating | |
#7 | Micro-structure and nano-technology | |
#8 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Chang Yen-Chih | 15 |
#2 | Chen Ke-Hao | 7 |
#3 | Cheng Chih-Pi | 4 |
#4 | Hsieh Wen-Yi | 3 |
#5 | Chang Chun-Yi | 2 |
#6 | Liao Chi-Nan | 1 |
#7 | Chiu Cheng-Hung | 1 |
#8 | Lee Chien-Hung | 1 |
#9 | Lin Chun-Fu | 1 |
Publication | Filing date | Title |
---|---|---|
US2013237090A1 | Electrical connector assembly used for shielding | |
US2012064742A1 | Electrical assembly and socekg connector therein | |
US2012045908A1 | Electrical connector having a shielding in an opening in its base | |
US2011269330A1 | Socket connector with contact having dual-contacting-portion created by splitting and twisting | |
US2011188817A1 | Optical board having separated light circuit holding member and optical layer | |
US2011111616A1 | Low profile electrical connector embedded with printed circuit board |