Inventor

LIU BAOQUAN

CN4 patents

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

HENGXIANG TECH INC LTD

2 patents

US12422041B2Sep 23, 2025

Y-shaped packer

HENGXIANG TECH INC LTD0 citations44

US11634879B2Apr 25, 2023

Tower packer for packing cement slurry of jacket

HENGXIANG TECH INC LTD0 citations32

WEI LI-YI

1 patent

US8411087B2Apr 2, 2013

Non-linear beam tracing for computer graphics

WEI LI-YI26 citations90

BEIJING BIONAXIN BIOTECH CO LTD

1 patent

US11710537B2Jul 25, 2023

Optimal selection method of gene chip probes for cancer screening

BEIJING BIONAXIN BIOTECH CO LTD0 citations37