Inventor
LIU ZHENG-NIAN
CN8 patents
⚠️ This page may combine multiple inventors who share the name “LIU ZHENG-NIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CAO QING-SHAN
5 patentsUS8403692B2Mar 26, 2013
Illumination device
CAO QING-SHAN39 citations90
US8604715B2Dec 10, 2013
Lamp tube switch circuit and method thereof
CAO QING-SHAN0 citations38
US8561340B2Oct 22, 2013
Illumination device
CAO QING-SHAN0 citations37
US8604721B2Dec 10, 2013
Lamp tube switching circuit
CAO QING-SHAN0 citations34
US8604706B2Dec 10, 2013
Lamp tube switch circuit
CAO QING-SHAN0 citations30
HONGFUJIN PREC IND SHENZHEN
3 patentsUS8371868B2Feb 12, 2013
Illumination device with a connector having a retainer with a rotary member and four elastic pieces
HONGFUJIN PREC IND SHENZHEN0 citations37
US8371867B2Feb 12, 2013
Illumination device with a connector having a retainer with a rotary member and elastic pieces
HONGFUJIN PREC IND SHENZHEN0 citations33
US8366467B2Feb 5, 2013
Illumination device with a connector having a retainer with a rotary member
HONGFUJIN PREC IND SHENZHEN0 citations31