Inventor

ZHANG JINGUO

CN6 patents

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

GOERTEK TECH CO LTD

2 patents

US12542996B2Feb 3, 2026

Speaker module and head-mounted device

GOERTEK TECH CO LTD0 citations53

US12505823B2Dec 23, 2025

Open-field far-field silencing speaker apparatus, head-mounted device and signal processing method

GOERTEK TECH CO LTD0 citations42

ZHANG JINGUO

2 patents

US9464222B2Oct 11, 2016

Well fluid and method of servicing a well

ZHANG JINGUO1 citations40

US8932998B2Jan 13, 2015

Methods for crosslinking water soluble polymers for use in well applications

ZHANG JINGUO0 citations34

Wellbore Chemicals LLC

1 patent

US9969925B2May 15, 2018

Composition of wellbore cleaning agent

Wellbore Chemicals LLC5 citations62

QINGDAO GOERTEK TECH CO LTD

1 patent

US11101675B2Aug 24, 2021

Audio device power supply system

QINGDAO GOERTEK TECH CO LTD0 citations45