Inventor

Chih-Chieh Chang

Inventor
Hsinchu, TW

Overview

5→
Patents
2014–2021
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.

G02Bprimary
G02BOptical elements, systems or apparatus18%
H01LSemiconductor devices18%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1018%
B24BMachines, devices, or processes for grinding or polishing9%
C09GPolishing compositions9%
H04NPictorial communication, e.g. television9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
LOC149%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to CHANG CHAO-CHUEH (1)· patent assignee history
2014Patents assigned to CHANG CHI-CHENG (1)· patent assignee history
2014Patents assigned to CHANG CHIA-YUAN (1)· patent assignee history
2014Patents assigned to CHEN RONG-QUEN (1)· patent assignee history
2014Based in Tao Yuan Shien, TW· patent location history
2021Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (3)· patent assignee history
2021Based in Hsinchu, TW· patent location history
2021Based in Zhubei City, TW· patent location history
2021Based in Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAIWAN SEMICONDUCTOR MFG CO LTD32021
CHANG CHAO-CHUEHself12014
CHANG CHI-CHENG12014
CHANG CHIA-YUAN12014
CHEN RONG-QUEN12014
Locations
LocationPatentsSpan
Hsinchu, TW22021
Zhubei City, TW12021
Taipei, TW12021
Tao Yuan Shien, TW12014