Inventor · disambiguated record
Jiqing Na
Also filed as: Na Jiqing
2 granted patents·1 pending application·0 citations·filing 2020–2022
20Inventor score
Technology areasB61L
Files withCASCO SIGNAL LTD3
Top patents by PatentIndex Score
3 records- 0145US11993298B2Moving block train operation control method and system based on train autonomous positioningCASCO SIGNAL LTD·Filed 2020·Granted May 28, 2024·0 cites·9 claims
- 0245US2025178654A1Interconnection and intercommunication method and system for virtual marshalling train control system in heavy haul railwayCASCO SIGNAL LTD·Filed 2022·Application pending·0 cites
- 0340US12258054B2Early warning protection system based on Beidou position automatic sensingCASCO SIGNAL LTD·Filed 2020·Granted Mar 25, 2025·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →