Inventor · disambiguated record

Haijun Qiu

Also filed as: QIU HAIJUN

2 granted patents·2 citations·filing 2019–2019

32Inventor score

Technology areasE21B

Files withGuangzhou Marine Geological Survey2

Top patents by PatentIndex Score

2 records

0164US10822903B2Natural gas hydrate rotary pressure-retaining corerGuangzhou Marine Geological Survey·Filed 2019·Granted Nov 3, 2020·2 cites·10 claims
0233US10837247B2Natural gas hydrate pressure-retaining corerGuangzhou Marine Geological Survey·Filed 2019·Granted Nov 17, 2020·0 cites·10 claims

Join the waitlist — get patent alerts

Get an alert when Haijun Qiu 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 →