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Inventor

Frank Chang

Inventor
Hsinchu, TW

Overview

2→
Patents
2001–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing20%
H05BElectric heating20%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1020%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
8,729,822'LED emitting device and driving method thereof'20146,305,062'Preventive maintenance apparatus for CMP top-ring\'s backing-film and the method thereof'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Based in Hsinchu County, TW· patent location history
2014Patents assigned to AHN BYUNGHAK (1)· patent assignee history
2014Patents assigned to CHANG FRANK (1)· patent assignee history
2014Patents assigned to CHOI MOONHO (1)· patent assignee history
2014Patents assigned to CHUNG JINHWA (1)· patent assignee history
2014Patents assigned to FAIRCHILD KR SEMICONDUCTOR LTD (1)· patent assignee history
2014Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AHN BYUNGHAK12014
CHANG FRANKself12014
CHOI MOONHO12014
CHUNG JINHWA12014
FAIRCHILD KR SEMICONDUCTOR LTD12014
Locations
LocationPatentsSpan
Hsinchu, TW12014
Hsinchu County, TW12001