Beijing
China
5
2017-10-26
The entities that hold a legal rights for patent applications filed by inventor Wang Liyan:
Liyan Wang from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Payment device, payment system and payment method
#2 | 2017-09-21Smart wearable device and contactless payment method
#3 | 2017-06-22Display screen with transparent antenna structure and portable device having the display screen
#4 | 2015-08-27Gamma curve adjustment method and gamma curve adjustment apparatus
#5 | 2014-08-07Method for helium mass spectrometric fine-leak test based on quantitative determination of maximum test-waiting time
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