GG

Guochen Gao

OE Otis Elevator: 1 patents #64 of 199Top 35%
Overall (2024): #454,913 of 561,600Top 85%
1
Patents 2024

Issued Patents 2024

Patent #TitleCo-InventorsDate
11885387 Friction material and preparation method therefor, and friction part Ruguang Liu 2024-01-30