Inventor · disambiguated record
Zimin Ma
Also filed as: MA ZIMIN
3 granted patents·1 citations·filing 2021–2022
46Inventor score
Top patents by PatentIndex Score
3 records- 0173US12168932B2Three-dimensional ventilation method and system for mining by 110 construction method in coal and gas outburst minesUNIV CHINA MINING·Filed 2021·Granted Dec 17, 2024·1 cites·8 claims
- 0247US12168931B2Mining method without coal pillars with roof-cutting and roadway retainingUNIV CHINA MINING·Filed 2021·Granted Dec 17, 2024·0 cites·6 claims
- 0333US11774220B2Annular shaped-charge housing for blasting and method of using the sameUNIV SHANDONG TECHNOLOGY·Filed 2022·Granted Oct 3, 2023·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Zimin Ma 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 →