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Inventor

Wei Koh

Inventor
Irvine, CA, US

Overview

3→
Patents
1999–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1020%
C04BLime, magnesia13%
C23CCoating metallic material13%
H05KPrinted circuits13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light7%
G02BOptical elements, systems or apparatus7%
H01LSemiconductor devices7%
H10DInorganic electric semiconductor devices7%
PatentTitleYear
10,989,594Optical filter and optical spectrometer including the same20216,291,889'High temperature resistant thin-film system'20015,856,235'Process of vacuum annealing a thin film metallization on high purity alumina'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2001Patents assigned to NORTHROP GRUMMAN CORP (2)· patent assignee history
1999–2001Based in Irvine, CA, US· patent location history
2021Patents assigned to SAMSUNG ELECTRONICS CO LTD (1)· patent assignee history
2021Based in Suwon-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NORTHROP GRUMMAN CORP21999–2001
SAMSUNG ELECTRONICS CO LTD12021
Locations
LocationPatentsSpan
Irvine, California, US21999–2001
Suwon-si, KR12021