Inventor

QIAO GUANJUN

CN3 patents

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

HUNAN MEICHENG CERAMIC TECH CO LTD

2 patents

US12339192B2Jun 24, 2025

Pressure sensor ceramic material and preparation method thereof

HUNAN MEICHENG CERAMIC TECH CO LTD0 citations35

US11895923B2Feb 6, 2024

Lead-free piezoelectric ceramic sensor material and a preparation method thereof

HUNAN MEICHENG CERAMIC TECH CO LTD0 citations35

UNIV JIANGSU

1 patent

US11781222B2Oct 10, 2023

Layered polycrystalline lead selenide photoelectric film and fabrication method thereof

UNIV JIANGSU0 citations53