Inventor
CHEN FANGRUI
CN3 patents
Patents
3 patentsUS11899398B1Feb 13, 2024
Collapsible pyramid holographic projection imager and packaging box including same
CHINA TOBACCO YUNNAN IND CO LTD2 citations66
US11932478B1Mar 19, 2024
Method for manufacturing and packaging special-shaped cigarette
CHINA TOBACCO YUNNAN IND CO LTD0 citations48
US11525774B2Dec 13, 2022
Sensory evaluation method for spectral data of mainstream smoke
CHINA TOBACCO YUNNAN IND CO LTD0 citations44