Inventor · disambiguated record

Yongzhen Qin

Also filed as: QIN YONGZHEN

2 granted patents·0 citations·filing 2015–2015

23Inventor score

Technology areasB61D H01R

Files withCRRC QINGDAO SIFANG CO LTD2

Top patents by PatentIndex Score

2 records

0146US9806506B2High voltage equipment box for railway vehicleCRRC QINGDAO SIFANG CO LTD·Filed 2015·Granted Oct 31, 2017·0 cites·17 claims
0233US10051739B2Control relay board for railway vehicleCRRC QINGDAO SIFANG CO LTD·Filed 2015·Granted Aug 14, 2018·0 cites·18 claims

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