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Inventor

Wei-Tai Cheng

Inventor
Hsinchu County, TW

Overview

5→
Patents
2004–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers56%
C09KMaterials for miscellaneous applications, not provided for elsewhere22%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1022%
PatentTitleYear
8,710,517'High-voltage AC light-emitting diode structure'20148,643,291'High-voltage AC LED structure'20148,410,487'Manufacturing method and structure of LED chip'20137,147,803'Process for the preparation of pink light-emitting diode with high brightness'20066,717,349'Process for the preparation of pink light-emitting diode with high brightness'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to NANTEX INDUSTRY CO (1)· patent assignee history
2004Based in Jen Te Hsiang, TW· patent location history
2006Based in Tainan, TW· patent location history
2013–2014Patents assigned to CHEN MING-HUNG (3)· patent assignee history
2013–2014Patents assigned to CHENG WEI-TAI (3)· patent assignee history
2013–2014Patents assigned to HELIO OPTOELECTRONICS CORP (3)· patent assignee history
2013–2014Patents assigned to PAN CHING-JEN (3)· patent assignee history
2013Based in Zhudong Township, TW· patent location history
2014Based in Hsinchu County, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEN MING-HUNG32013–2014
CHENG WEI-TAIself32013–2014
HELIO OPTOELECTRONICS CORP32013–2014
PAN CHING-JEN32013–2014
NANTEX INDUSTRY CO12004
Locations
LocationPatentsSpan
Hsinchu County, TW22014
Zhudong Township, TW12013
Tainan, TW12006
Jen Te Hsiang, TW12004