Inventor
NIU BUZHAO
CN3 patents
Patents
3 patentsUS10411503B2Sep 10, 2019
Motor train unit auxiliary power supply apparatus
CRRC QINGDAO SIFANG CO LTD1 citations55
US9806506B2Oct 31, 2017
High voltage equipment box for railway vehicle
CRRC QINGDAO SIFANG CO LTD0 citations43
US10192694B2Jan 29, 2019
Interlocking control device of multiple-unit train safety circuit
CRRC QINGDAO SIFANG CO LTD0 citations31