LIU QING-HUA has a total of 13 patent applications. Its first patent ever was published in 2008. It filed its patents most often in United States and China. Its main competitors in its focus markets audio-visual technology, computer technology and telecommunications are BITSTREAM INC, SIGMEX LTD and LOWLES ROBERT J.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 12 | |
#2 | China | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Computer technology | |
#3 | Telecommunications | |
#4 | Medical technology | |
#5 | Environmental technology | |
#6 | Agriculture |
# | Name | Total Patents |
---|---|---|
#1 | Liu Qing-Hua | 13 |
#2 | Xiao Yong-Hui | 2 |
#3 | Zhu Yuan-Nan | 1 |
#4 | Wu Yi-Fang | 1 |
#5 | Li Zhi-Wei | 1 |
#6 | Lin Huan-Feng | 1 |
#7 | Chen Hong-Ren | 1 |
Publication | Filing date | Title |
---|---|---|
US2011161039A1 | Method and system of testing electronic device |