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Inventor

Chia-Ling Yeh

Inventor
Jhubei City, TW

Overview

3→
Patents
1990–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Lprimary
H01LSemiconductor devices25%
H04NPictorial communication, e.g. television25%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
H10DInorganic electric semiconductor devices25%
PatentTitleYear
10,068,976Enhancement mode field-effect transistor with a gate dielectric layer recessed on a composite barrier layer for high static performance20189,445,176'Earpiece apparatus for in-ear headphones'20164,926,267'Reproduction of halftone original with reduced moire'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to NYNEX CORP (1)· patent assignee history
1990Based in Saratoga, CA, US· patent location history
2016Patents assigned to YEH CHIA-LING (1)· patent assignee history
2016Based in Hsinchu, TW· patent location history
2018Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (1)· patent assignee history
2018Based in Jhubei City, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NYNEX CORP11990
TAIWAN SEMICONDUCTOR MFG CO LTD12018
YEH CHIA-LINGself12016
Locations
LocationPatentsSpan
Jhubei City, TW12018
Hsinchu, TW12016
Saratoga, California, US11990