Inventor · disambiguated record

Runzhi Jia

Also filed as: JIA RUNZHI

1 granted patent·0 citations·filing 2021–2021

6Inventor score

Technology areasE21F

Files withCHINA RAILWAY BEIJING ENG GROUP CO LTD1

Top patents by PatentIndex Score

1 record

0139US11674392B2Split air cabin ventilation system for construction of tunnel inclined shaft and ventilation method using sameCHINA RAILWAY BEIJING ENG GROUP CO LTD·Filed 2021·Granted Jun 13, 2023·0 cites·8 claims

Join the waitlist — get patent alerts

Get an alert when Runzhi Jia files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

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