Inventor

Chih-Chao Chang

Inventor
New Taipei, TW

Overview

7→
Patents
2003–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H01Lprimary
H01LSemiconductor devices29%
H10HInorganic light-emitting semiconductor devices having potential barriers21%
G06FElectric digital data processing14%
H03KPulse technique7%
H10DInorganic electric semiconductor devices7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
LOC217%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2014Based in Taipei, TW· patent location history
2013–2014Patents assigned to CHANG CHIH-CHAO (2)· patent assignee history
2013–2014Patents assigned to CHEN HUNG-HSIANG (2)· patent assignee history
2013–2014Patents assigned to CHUNGHWA PICTURE TUBES LTD (2)· patent assignee history
2013–2014Patents assigned to HSU CHAO-YONG (2)· patent assignee history
2016–2017Patents assigned to UNITY OPTO TECHNOLOGY CO LTD (3)· patent assignee history
2016–2017Based in New Taipei, TW· patent location history
2021Based in Zhubei City, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNITY OPTO TECHNOLOGY CO LTD32016–2017
CHANG CHIH-CHAOself22013–2014
CHEN HUNG-HSIANG22013–2014
CHUNGHWA PICTURE TUBES LTD22013–2014
HSU CHAO-YONG22013–2014
Locations
LocationPatentsSpan
New Taipei, TW32016–2017
Taipei, TW32003–2014
Zhubei City, TW12021