Inventor

Kuei-Chien Chang

Inventor

Kaohsiung, TW

Overview

2012–2021

Patent span

Performing operations

Primary field (CPC B)

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

B81Bprimary

B81BMicrostructural devices or systems, e.g. micromechanical devices17%

B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems17%

B01DSeparation8%

C02FTreatment of water, waste water, sewage, or sludge8%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%

H01LSemiconductor devices8%

H10DInorganic electric semiconductor devices8%

H10NElectric solid-state devices not otherwise provided for8%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2012–2015Patents assigned to IND TECH RES INST (2)· patent assignee history

2012Patents assigned to CHANG KUEI-CHIEN (1)· patent assignee history

2012Patents assigned to CHOU YA-WEN (1)· patent assignee history

2012Patents assigned to JENG MING-SHAN (1)· patent assignee history

2012Based in Taoyuan County, TW· patent location history

2015Based in Zhongli City, TW· patent location history

2021Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (2)· patent assignee history

2021Based in Kaohsiung, TW· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IND TECH RES INST	2	2012–2015
TAIWAN SEMICONDUCTOR MFG CO LTD	2	2021
CHANG KUEI-CHIENself	1	2012
CHOU YA-WEN	1	2012
JENG MING-SHAN	1	2012

Locations