Beijing
China
4
2020-02-13
The entities that hold a legal rights for patent applications filed by inventor Han Dan:
Dan Han from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
NETWORK USER IDENTIFICATION METHOD, DEVICE AND SERVER
#2 | 2015-10-08Software development assistant method and system
#3 | 2015-07-23Thiazine amide derivative and pharmaceutical composition and use thereof
#4 | 2012-02-02Software development assistant method and system
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