Inventor · disambiguated record
Zhidan Yan
Also filed as: YAN ZHIDAN
2 granted patents·2 citations·filing 2015–2023
32Inventor score
Top patents by PatentIndex Score
2 records- 0163US9587440B2Dynamic point-the-bit rotary steerable drilling tool and measuring method thereofUNIV CHINA PETROLEUM·Filed 2015·Granted Mar 7, 2017·2 cites·10 claims
- 0245US11886535B2Oscillating shear valve of continuous pulse generatorUNIV CHINA PETROLEUM EAST CHINA·Filed 2023·Granted Jan 30, 2024·0 cites·2 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →