Guangzhou
China
3
2025-04-03
The entities that hold a legal rights for patent applications filed by inventor Chen Yan:
Yan Chen from Guangzhou, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method, device, and system for measuring pipeline corrosion
#2 | 2023-06-22COMPOSITION AND APPLICATION THEREOF
#3 | 2022-06-16Culture medium for expanding and culturing human liver progenitor cells and application thereof
5434876 ⎘