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Inventor

ZHAO QIHUI

CN6 patents
⚠️ This page may combine multiple inventors who share the name “ZHAO QIHUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HANGZHOU BIOTEST BIOTECH CO LTD

4 patents
USD1086485SJul 29, 2025

Liquid sample collector

HANGZHOU BIOTEST BIOTECH CO LTD1 citations61
USD1092774SSep 9, 2025

Liquid sample test device

HANGZHOU BIOTEST BIOTECH CO LTD0 citations60
USD1092773SSep 9, 2025

Liquid sample test device

HANGZHOU BIOTEST BIOTECH CO LTD0 citations60
USD1086484SJul 29, 2025

Liquid sample test device

HANGZHOU BIOTEST BIOTECH CO LTD0 citations60

LIU YUE

1 patent
US9581719B2Feb 28, 2017

Apparatus and method for oil-based mud formation imaging using resonators

LIU YUE0 citations44

LIU NAIZHEN

1 patent
US9447641B2Sep 20, 2016

Rotary steerable drilling tool with a linear motor

LIU NAIZHEN0 citations38