Inventor · disambiguated record
Qihui Zhao
Also filed as: ZHAO QIHUI
6 granted patents·10 pending applications·1 citations·filing 2012–2025
69Inventor score
Top patents by PatentIndex Score
16 records- 0168USD1092773SLiquid sample test deviceHANGZHOU BIOTEST BIOTECH CO LTD·Filed 2025·Granted Sep 9, 2025·0 cites·1 claims
- 0268USD1092774SLiquid sample test deviceHANGZHOU BIOTEST BIOTECH CO LTD·Filed 2025·Granted Sep 9, 2025·0 cites·1 claims
- 0363US2024189812A1Test deviceHANGZHOU BIOTEST BIOTECH CO LTD·Filed 2023·Application pending·0 cites
- 0462US2024359173A1Device for testing analyte in liquid sampleHANGZHOU BIOTEST BIOTECH CO LTD·Filed 2023·Application pending·0 cites
- 0553USD1086485SLiquid sample collectorHANGZHOU BIOTEST BIOTECH CO LTD·Filed 2023·Granted Jul 29, 2025·1 cites·1 claims
- 0645USD1086484SLiquid sample test deviceHANGZHOU BIOTEST BIOTECH CO LTD·Filed 2023·Granted Jul 29, 2025·0 cites·1 claims
- 0741US9581719B2Apparatus and method for oil-based mud formation imaging using resonatorsLIU YUE·Filed 2013·Granted Feb 28, 2017·0 cites·10 claims
- 0839US9447641B2Rotary steerable drilling tool with a linear motorLIU NAIZHEN·Filed 2014·Granted Sep 20, 2016·0 cites·9 claims
- 0938US2016356088A1Method for controlling drilling directions of a drill bit by a rotary steerable drilling toolLIU NAIZHEN·Filed 2016·Application pending·0 cites
- 1036US2014132420A1Apparatus and Method for Multi-Mode and Multi-Depth Resistivity MeasurementsGREATWALL DRILLING COMPANY·Filed 2012·Application pending·0 cites
- 1136US2014132271A1Apparatus and method for deep resistivity measurement using communication signals near drill bitGREATWALL DRILLING COMPANY·Filed 2012·Application pending·0 cites
- 1236US2014136113A1Apparatus and Method for Formation Dielectric Constant and Resistivity MeasurementsGREATWALL DRILLING COMPANY·Filed 2012·Application pending·0 cites
- 1336US2014136114A1Apparatus and Method for Formation Resistivity MeasurementsGREATWALL DRILLING COMPANY·Filed 2012·Application pending·0 cites
- 1434US2014375320A1Method of leakage current and borehole environment correction for oil based mud imagerLIU YUE·Filed 2013·Application pending·0 cites
- 1531US2015035535A1Apparatus and Method for At-Bit Resistivity MeasurementsLIU NAIZHEN·Filed 2013·Application pending·0 cites
- 1631US2015028874A1Apparatus and Method for At-Bit Resistivity Measurements By A Toroidal TransmitterLIU NAIZHEN·Filed 2013·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Qihui Zhao 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 →