P

Inventor

YU YANGYANG

CN5 patents
⚠️ This page may combine multiple inventors who share the name “YU YANGYANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CRRC QINGDAO SIFANG CO LTD

3 patents

GOERTEK INC

1 patent

LIN PING

1 patent