CHANGSHA
China
4
2026-03-26
The entities that hold a legal rights for patent applications filed by inventor LI LEI:
LEI LI from CHANGSHA, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Noise Reduction for Hearing Aid
#2 | 2024-05-02Spatial Audio Effect Adjustment
#3 | 2023-06-29Device for testing corrosion fatigue resistance on the basis of acoustic emission
#4 | 2019-03-14High-strength network structured nano-carrier material and preparation method and application thereof
2452206 ⎘