Beijing
China
4
2025-12-18
The entities that hold a legal rights for patent applications filed by inventor Ding Yan:
Yan Ding from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
DRILLING METHOD FOR STORAGE WELL FOR LIQUID-GAS TWO-PHASE COMBINED GEOLOGICAL STORAGE
#2 | 2025-12-16Drilling method for storage well for liquid-gas two-phase combined geological storage
#3 | 2020-03-12Simulation evaluation model of high voltage ride through capability, simulation evaluation method based on the same and storage medium
#4 | 2014-08-28Method and apparatus for repairing defective memory cells
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