Inventor

Paul Po Cheng

Inventor

London, CA

Overview

4→

Patents

2006–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 4 as inventor

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

B23Kprimary

B23KSoldering or unsoldering17%

F16LPipes17%

B29CShaping or joining of plastics8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%

C08LCompositions of macromolecular compounds8%

E03FSewers8%

G02BOptical elements, systems or apparatus8%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%

H01BCables8%

H05KPrinted circuits8%

PatentTitleYear

11,112,554Back light unit, fabricating method thereof and display device2021 10,288,193Method and system for forming a pipeline2019 9,644,769'System and method for welding tubular workpieces'2017 7,022,265'Polyamide resin compositions with electromagnetic interference shielding properties and articles formed therefrom'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Patents assigned to DU PONT (1)· patent assignee history

2006Based in Washington, WV, US· patent location history

2017–2019Patents assigned to CHENG PAUL PO (2)· patent assignee history

2017–2019Based in London, CA· patent location history

2021Patents assigned to BEIJING BOE OPTOELECTRONICS TECH CO LTD (1)· patent assignee history

2021Patents assigned to BOE TECHNOLOGY GROUP CO LTD (1)· patent assignee history

2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHENG PAUL POself	2	2017–2019
BEIJING BOE OPTOELECTRONICS TECH CO LTD	1	2021
BOE TECHNOLOGY GROUP CO LTD	1	2021
DU PONT	1	2006

Locations

Location	Patents	Span
London, CA	2	2017–2019
Beijing, CN	1	2021
Washington, WV, US	1	2006