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Inventor

Chi Wai Lai

Inventor
Hong Kong, CN

Overview

4→
Patents
2018–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H02Kprimary
H02KDynamo-electric machines67%
H01RElectrically-conductive connections17%
H05KPrinted circuits17%
PatentTitleYear
10,637,334Printed circuit board and motor202010,483,829Brush assembly and motor using same201910,277,098End cap assembly for suppressing electromagnetic interference and motor having the same20199,935,414Commutator of an electric motor2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2020Patents assigned to JOHNSON ELECTRIC SA (3)· patent assignee history
2018–2019Based in Hong Kong, CN· patent location history
2019–2020Patents assigned to JOHNSON ELECTRIC INT AG (3)· patent assignee history
2020Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JOHNSON ELECTRIC INT AG32019–2020
JOHNSON ELECTRIC SA32018–2020
Locations
LocationPatentsSpan
Hong Kong, CN32018–2019
Shenzhen, CN12020