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Inventor

Guohua Xu

Inventor
Beijing, CN

Overview

2→
Patents
2016–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F16Kprimary
F16KValves17%
F25BRefrigeration machines, plants or systems17%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%
H01LSemiconductor devices17%
H10DInorganic electric semiconductor devices17%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications17%
PatentTitleYear
10,539,836Display substrate, method of fabricating the same, and display device20209,285,038'Flow control valve'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016Patents assigned to LV MING (1)· patent assignee history
2016Patents assigned to WANG QINGYONG (1)· patent assignee history
2016Patents assigned to XU GUOHUA (1)· patent assignee history
2016Based in Zhejiang Province, CN· patent location history
2020Patents assigned to BOE TECHNOLOGY GROUP CO LTD (1)· patent assignee history
2020Patents assigned to HEFEI BOE OPTOELECTRONICS TECH (1)· patent assignee history
2020Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOE TECHNOLOGY GROUP CO LTD12020
HEFEI BOE OPTOELECTRONICS TECH12020
LV MING12016
WANG QINGYONG12016
XU GUOHUAself12016
Locations
LocationPatentsSpan
Beijing, CN12020
Zhejiang Province, CN12016