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Inventor

Ji Yu Liang

Inventor
Shenzhen, CN

Overview

8→
Patents
2012–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

H02Kprimary
H02KDynamo-electric machines89%
H01RElectrically-conductive connections11%
PatentTitleYear
10,491,080Brush assembly201910,205,357Electric motor201910,008,911Brush assembly20189,762,103'Brush motor'20179,627,934'Rotor windings for DC motor'20179,331,556'Brush motor and cooling fan incorporating the motor'20168,937,421'Electric motor'20158,274,189'Motor and window lift'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2018Patents assigned to JOHNSON ELECTRIC SA (6)· patent assignee history
2012–2015Patents assigned to Liang ji yu (2)· patent assignee history
2012–2015Patents assigned to QIN RUI FENG (2)· patent assignee history
2012Patents assigned to DU CHENG SHUN (1)· patent assignee history
2012–2019Based in Shenzhen, CN· patent location history
2019Patents assigned to JOHNSON ELECTRIC INT AG (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JOHNSON ELECTRIC SA62012–2018
JOHNSON ELECTRIC INT AG22019
Liang ji yuself22012–2015
QIN RUI FENG22012–2015
DU CHENG SHUN12012
Locations
LocationPatentsSpan
Shenzhen, CN82012–2019