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Inventor

LIEN-YAO TSAI

Inventor
TW

Overview

3→
Patents
2022–2025
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B81Bprimary
B81BMicrostructural devices or systems, e.g. micromechanical devices33%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems33%
B82YSpecific uses or applications of nanostructures17%
G02BOptical elements, systems or apparatus17%
PatentTitleYear
12,297,103Device for protecting FEOL element and BEOL element202511,513,287Waveguide structure and manufacturing method of the same202211,345,591Device for protecting FEOL element and BEOL element2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (3)· patent assignee history
2022–2025Based in TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAIWAN SEMICONDUCTOR MFG CO LTD32022–2025
Locations
LocationPatentsSpan
TW32022–2025