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Inventor

Chang Wan Kim

Inventor
Daejon, KR

Overview

2→
Patents
2008–2009
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H03Hprimary
H03HImpedance networks, e.g. resonant circuits33%
H10HInorganic light-emitting semiconductor devices having potential barriers33%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1033%
PatentTitleYear
7,564,301'Apparatus for adjusting frequency characteristic and Q factor of low pass filter and method thereof'20097,456,438'Nitride-based semiconductor light emitting diode'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008Patents assigned to SAMSUNG ELECTRO MECH (1)· patent assignee history
2008Based in Suwon-si, KR· patent location history
2009Patents assigned to KOREA ELECTRONICS TELECOMM (1)· patent assignee history
2009Based in Daejon, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOREA ELECTRONICS TELECOMM12009
SAMSUNG ELECTRO MECH12008
Locations
LocationPatentsSpan
Daejon, KR12009
Suwon-si, KR12008