Kunming
China
3
2022-09-22
The entities that hold a legal rights for patent applications filed by inventor YANG Chen:
Chen YANG from Kunming, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Non-sticking tipping paper, preparation method and application method of the same
#2 | 2022-02-17Determination method for lip sticking force of cigarette tipping paper
#3 | 2022-02-10Prediction model for lip sticking force of cigarette tipping paper, construction method and prediction method thereof
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