CHANG HSI-MING has a total of 18 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States. Its main competitors in its focus markets semiconductors, optics and audio-visual technology are SHENZHEN HUAXING OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD, MA XIAOLONG and PENG KUAN-CHANG.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 18 |
# | Industry | |
---|---|---|
#1 | Semiconductors | |
#2 | Optics | |
#3 | Audio-visual technology | |
#4 | Electrical machinery and energy | |
#5 | Measurement | |
#6 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Semiconductor devices | |
#2 | Nonlinear optics | |
#3 | Display controls | |
#4 | Optical systems | |
#5 | Advertising | |
#6 | Lighting device details | |
#7 | Portable lighting devices | |
#8 | Measuring electric variables | |
#9 | Hats |
# | Name | Total Patents |
---|---|---|
#1 | Chang Hsi-Ming | 18 |
#2 | Shen Chia-Nan | 1 |
Publication | Filing date | Title |
---|---|---|
US2015109769A1 | Angle-adjustable lighting device | |
US2011085225A1 | Display device and pixel structure thereof | |
US2006214564A1 | Organic electroluminescent display and method for fabricating the same | |
US2006060919A1 | Low temperature polysilicon thin film transistor and method of fabricating lightly doped drain thereof |