Inventor

Chia-Hao Chang

Inventor
Hsinchu, TW

Overview

12→
Patents
2016–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 12 as inventor

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

H01Lprimary
H01LSemiconductor devices26%
H10DInorganic electric semiconductor devices26%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%
H02JElectric power networks3%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications3%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2018Patents assigned to SPECTRASENSORS INC (2)· patent assignee history
2016–2018Based in Rancho Cucamonga, CA, US· patent location history
2021Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (5)· patent assignee history
2021Patents assigned to UNITED MICROELECTRONICS CORP (4)· patent assignee history
2021Patents assigned to DELTA ELECTRONICS INC (1)· patent assignee history
2021Based in Hsinchu, TW· patent location history
2021Based in Kaohsiung, TW· patent location history
2021Based in Taoyuan, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAIWAN SEMICONDUCTOR MFG CO LTD52021
UNITED MICROELECTRONICS CORP42021
SPECTRASENSORS INC22016–2018
DELTA ELECTRONICS INC12021
Locations
LocationPatentsSpan
Hsinchu, TW52021
Kaohsiung, TW42021
Rancho Cucamonga, California, US22016–2018
Taoyuan, TW12021