Inventor
HAN XIAOHUI
CN5 patents
⚠️ This page may combine multiple inventors who share the name “HAN XIAOHUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CRRC QINGDAO SIFANG CO LTD
3 patentsUS10730145B2Aug 4, 2020
Beam structure and hybrid welding method thereof
CRRC QINGDAO SIFANG CO LTD3 citations61
US12569933B2Mar 10, 2026
Laser stitch welding device and welding method therefor
CRRC QINGDAO SIFANG CO LTD0 citations44
US11931826B2Mar 19, 2024
Continuous welding method and device for hybrid welding, welded finished product, train body
CRRC QINGDAO SIFANG CO LTD0 citations41