Qianxu Yang

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Kunming, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method of analyzing the composition of cigarette leaf groups based...
- Patent number 12,347,529
- Issue date Jul 1, 2025
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Ji Yang
- G01 - MEASURING TESTING
Information Patent Grant
Test system and test method for lip sticking force of tipping paper...
- Patent number 11,950,624
- Issue date Apr 9, 2024
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Ji Yang
- G06 - COMPUTING CALCULATING COUNTING