Kunming
China
3
2024-04-16
The entities that hold a legal rights for patent applications filed by inventor Yang Yi:
Yi Yang from Kunming, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for determining consistency coefficient of power-law cement grout
#2 | 2024-04-02Method for determining three-dimensional tortuosity of loose and broken rock-soil mass
#3 | 2023-08-22Method for determining column-hemispherical permeation radius with time-varying property of power-law cement grout and tortuosity of rock and soil mass
7069885 ⎘