P

Inventor

MA YUANCHEN

CN6 patents
⚠️ This page may combine multiple inventors who share the name “MA YUANCHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

2 patents

YOSHIUCHI HIDEYA

2 patents

HITACHI COMM TECH LTD

1 patent

JIA YUNJIAN

1 patent