CHANGZHOU YUZHOU ELECTRIC POWER TECHNOLOGY CO LTD has a total of 11 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets optics are SHENGHUA SCIENCE & TECHNOLOGY, OPTOQUEST CO LTD and HELM CARL HENRIK.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 11 |
# | Industry | |
---|---|---|
#1 | Optics |
# | Technology | |
---|---|---|
#1 | Optical systems |
# | Name | Total Patents |
---|---|---|
#1 | Chen Jianjun | 11 |
Publication | Filing date | Title |
---|---|---|
CN104539255A | Portable filter | |
CN104466309A | Waterproof filter | |
CN104467726A | Adjustable filter | |
CN104485916A | Detection filter | |
CN104459889A | Filter with chamber | |
CN104467725A | Anti-interference filter | |
CN104466310A | Protective filter | |
CN104466312A | Buffer filter | |
CN104466311A | Dielectric filter | |
CN104467721A | Flexible type filter | |
CN104470336A | Efficient cooling filter |