Inventor
Na Jiqing
CN4 patents
Patents
4 patentsUS12589783B2Mar 31, 2026
Light train control system applied to oversea freight railways
CASCO SIGNAL LTD0 citations48
US12258054B2Mar 25, 2025
Early warning protection system based on Beidou position automatic sensing
CASCO SIGNAL LTD0 citations46
US11993298B2May 28, 2024
Moving block train operation control method and system based on train autonomous positioning
CASCO SIGNAL LTD0 citations44
US12528527B2Jan 20, 2026
Train control method based on mobile authorization verification
CASCO SIGNAL LTD0 citations41