Inventor

WANG JINJIANG

CN4 patents

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

WDI CHANGTAI TECH CO LTD

2 patents

US10428505B2Oct 1, 2019

Flushing toilet cover

WDI CHANGTAI TECH CO LTD1 citations48

US10519641B2Dec 31, 2019

Light-emitting rotary knob and flushing toilet cover

WDI CHANGTAI TECH CO LTD0 citations32

GAO ROBERT X

1 patent

US10520397B2Dec 31, 2019

Methods and apparatuses for defect diagnosis in a mechanical system

GAO ROBERT X5 citations61

CHINA NAT MACHINE TOOL QUALITY SUPERVISION TESTING CENTER

1 patent

US12222380B2Feb 11, 2025

Electromagnetic immunity test system and control method thereof

CHINA NAT MACHINE TOOL QUALITY SUPERVISION TESTING CENTER0 citations32