YOUDA OPTOELECTRONICS CO LTD has a total of 14 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1999. It filed its patents most often in China. Its main competitors in its focus markets optics, environmental technology and semiconductors are WISTRON OPTRONICS CORP, KASAI NOBUHIRO and JOYO KOGAKU KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 14 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Environmental technology | |
#3 | Semiconductors | |
#4 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Gengquan Zheng | 1 |
#2 | Cai Caifu | 1 |
#3 | Dai Junhan | 1 |
#4 | Sui Shouling | 1 |
#5 | Yu Ruibin | 1 |
#6 | Yunguo Xue | 1 |
#7 | Li Weijie | 1 |
#8 | Jianhao Fu | 1 |
#9 | Yang Junming | 1 |
#10 | Cai Jiaxun | 1 |
Publication | Filing date | Title |
---|---|---|
CN1637520A | Display and its color filter and lamp tube | |
CN1499643A | Active mode organic luminous display and preparation method | |
CN1499245A | Signal transmission unit for liquid crystal display | |
CN1480916A | Drive method for driving plasma display face plate | |
CN1432982A | Drive method for plasma display | |
CN1284731A | Manufacture of front side board for plasma display panel |