Inventor · name-matched record
ZHANG YAJING
2 granted patents·0 citations·filing 2021–2021
21Inventor score
Technology areasB61L
Files withCASCO SIGNAL LTD2
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
2 records- 0149US12589783B2Light train control system applied to oversea freight railwaysCASCO SIGNAL LTD·Filed 2021·Granted Mar 31, 2026·0 cites·11 claims
- 0249US12552429B2Train operation control system and method based on train-ground coordinationCASCO SIGNAL LTD·Filed 2021·Granted Feb 17, 2026·0 cites·7 claims
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Identity basis: exact name match across USPTO filings. How scoring works →