YOUDA OPTOELECTRONIC CO LTD has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2001. It filed its patents most often in China. Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and optics are LIJING OPTRONICS CO LTD, SPATIALIGHT INC and KIMURA HAJIME.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 12 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Electrical machinery and energy | |
#3 | Optics | |
#4 | Semiconductors | |
#5 | Machines |
# | Technology | |
---|---|---|
#1 | Nonlinear optics | |
#2 | Display controls | |
#3 | Casings and printed circuits | |
#4 | Special light sources | |
#5 | Television | |
#6 | Lighting device details | |
#7 | Optical systems | |
#8 | Semiconductor devices | |
#9 | Non-portable lighting devices | |
#10 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Jiang Jialun | 1 |
#2 | Jiawei You | 1 |
#3 | Wang Guangfu | 1 |
#4 | Zheng Jieren | 1 |
#5 | Weihao Zeng | 1 |
#6 | Hongmin Shi | 1 |
#7 | Li Zhenghan | 1 |
#8 | Zhang Jia-Jun | 1 |
#9 | Qiwei Zhou | 1 |
#10 | Chen Yanqiao | 1 |
Publication | Filing date | Title |
---|---|---|
CN1402206A | Plasma display bit address electrode drive circuit and drive method |