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Inventor

Yen-Jen Chien

Inventor
Hsinchu, TW

Overview

2→
Patents
1995–2021
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.

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them14%
H01LSemiconductor devices14%
H10BElectronic memory devices14%
H10DInorganic electric semiconductor devices14%
H10NElectric solid-state devices not otherwise provided for14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
11,031,236Method for improving surface of semiconductor device20215,437,104'Laser sight mounting device for mounting a laser sight on the flash attachment of a camera'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Patents assigned to SIMPATICO IND CO LTD (1)· patent assignee history
1995Based in Taipei, TW· patent location history
2021Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (1)· patent assignee history
2021Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIMPATICO IND CO LTD11995
TAIWAN SEMICONDUCTOR MFG CO LTD12021
Locations
LocationPatentsSpan
Hsinchu, TW12021
Taipei, TW11995