Inventor · disambiguated record

Duanjun Ma

Also filed as: MA DUANJUN

2 granted patents·1 pending application·3 citations·filing 20102016

37Inventor score
Technology areasB61DB62DB65D
Files withHUANG T H1HUANG TIANHUA1IFE VICTALL RAILWAY VEHICLE DOOR SYSTEMS QINGDAO1

Top patents by PatentIndex Score

3 records

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →