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Inventor

Zheng Qing Tan

Inventor
Guangdong, CN

Overview

2→
Patents
2020–2021
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.

F21Sprimary
F21SNon-portable lighting devices20%
F21VFunctional features or details of lighting devices or systems thereof20%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted20%
H01LSemiconductor devices20%
H10DInorganic electric semiconductor devices20%
PatentTitleYear
11,056,577Thin-film transistor and manufacturing method for the same202110,704,779LED heat-dissipating downlight2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to XIAMEN ECO LIGHTING CO LTD (1)· patent assignee history
2020Based in Xiamen, CN· patent location history
2021Patents assigned to SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD (1)· patent assignee history
2021Based in Guangdong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD12021
XIAMEN ECO LIGHTING CO LTD12020
Locations
LocationPatentsSpan
Guangdong, CN12021
Xiamen, CN12020