Inventor

Francis T. Wang

Inventor

Danville, CA, US

Overview

1989–2008

Patent span

Chemistry

Primary field (CPC C)

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

A62Dprimary

A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents15%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1015%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%

B08BCleaning in general8%

C02FTreatment of water, waste water, sewage, or sludge8%

C11DDetergent compositions8%

C22BProduction and refining of metals8%

G01NInvestigating or analysing materials by determining their chemical or physical properties8%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%

Y02PClimate change mitigation technologies in the production or processing of goods8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–1996Patents assigned to UNIV CALIFORNIA (3)· patent assignee history

1989–1996Based in Danville, CA, US· patent location history

2003–2008Patents assigned to TAIWAN SEMICONDUCTOR MFG (2)· patent assignee history

2003Based in Taipei, TW· patent location history

2008Based in Zhubei City, TW· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNIV CALIFORNIA	3	1989–1996
TAIWAN SEMICONDUCTOR MFG	2	2003–2008

Locations