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Inventor

Wen-Chyi Wang

Inventor
Tainan, TW

Overview

4→
Patents
1997–2002
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H03Mprimary
H03MCoding33%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1033%
H10DInorganic electric semiconductor devices17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
6,358,859'HBr silicon etching process'20026,110,232'Method for preventing corrosion in load-lock chambers'20005,742,246'Stabilizing mechanism for sigma-delta modulator'19985,623,263'4th-order sigma-delta modulator with leapfrog topology'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to NAT SCIENCE COUNCIL (2)· patent assignee history
1997–1998Based in Tainan, TW· patent location history
2000–2002Patents assigned to TAIWAN SEMICONDUCTOR MFG (2)· patent assignee history
2000Based in Hsinchu, TW· patent location history
2002Based in Chu-Nan, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NAT SCIENCE COUNCIL21997–1998
TAIWAN SEMICONDUCTOR MFG22000–2002
Locations
LocationPatentsSpan
Tainan, TW21997–1998
Chu-Nan, TW12002
Hsinchu, TW12000