CQ

Changgui Qiu

CC China Tobacco Yunnan Industrial Co.: 2 patents #64 of 163Top 40%
Overall (All Time): #1,811,543 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11690394 Device and method for separating light flaky cut rolled stems (CRSs) by throwing roller Ze Liu, Banghua He, Lin Qi, Yongzheng Li, Yong Zhu +6 more 2023-07-04
11684953 Device and method for off-line detection of circumferential appearance quality of cigarettes Ze Liu, Banghua He, Yuanzhen Zhou, Zhenjie Li, Ji Yang +3 more 2023-06-27