OU GUANG-FENG has a total of 13 patent applications. Its first patent ever was published in 2009. It filed its patents most often in United States. Its main competitors in its focus markets computer technology, audio-visual technology and basic communication technologies are VERARI SYSTEMS INC, TULIP COMPUTERS INTERNATIONAL and ARCHIBALD MATTHEW R.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 13 |
# | Name | Total Patents |
---|---|---|
#1 | Ou Guang-Feng | 13 |
#2 | Huang Yong-Zhao | 6 |
Publication | Filing date | Title |
---|---|---|
US2011279288A1 | Keyboard |