Inventor

Tiegang Liu

Inventor

Hunan Province, CN

Overview

2010–2021

Patent span

Physics

Primary field (CPC G)

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

G03Bprimary

G03BApparatus or arrangements for taking photographs or for projecting or viewing them25%

G02BOptical elements, systems or apparatus17%

H04NPictorial communication, e.g. television17%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals8%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%

G01NInvestigating or analysing materials by determining their chemical or physical properties8%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2010–2015Patents assigned to HK APPLIED SCIENCE & TECH RES (3)· patent assignee history

2010Based in Shen Zhen Shi, CN· patent location history

2012–2015Patents assigned to CHENG KWOK SING (2)· patent assignee history

2012–2015Patents assigned to FAN KIN MING (2)· patent assignee history

2012–2015Patents assigned to FAN WING MING (2)· patent assignee history

2012–2015Patents assigned to LAM SIO KUAN (2)· patent assignee history

2012–2015Based in Hunan Province, CN· patent location history

2021Based in Wilmington, MA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Hunan Province, CN	2	2012–2015
Wilmington, Massachusetts, US	1	2021
Shen Zhen Shi, CN	1	2010