Inventor

Chiu L. Wang

Inventor

Singapore, SG

Overview

1986–2021

Patent span

Electricity

Primary field (CPC H)

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

G06Fprimary

G06FElectric digital data processing12%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy12%

H10DInorganic electric semiconductor devices12%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution12%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%

G08BSignalling systems, e.g. personal calling systems6%

H03GControl of amplification6%

H04NPictorial communication, e.g. television6%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers6%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1986–1988Patents assigned to ENGELHARD CORP (2)· patent assignee history

1986–1988Based in Edison, NJ, US· patent location history

2021Patents assigned to OMNIVISION TECH INC (2)· patent assignee history

2021Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (2)· patent assignee history

2021Based in Singapore, SG· patent location history

2021Based in Hsinchu County, TW· patent location history

2021Based in Baoshan Township, TW· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ENGELHARD CORP	2	1986–1988
OMNIVISION TECH INC	2	2021
TAIWAN SEMICONDUCTOR MFG CO LTD	2	2021

Locations