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Inventor

Ki-Duk Koo

Inventor
Seoul, KR

Overview

3→
Patents
2000–2004
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.

H01Qprimary
H01QAntennas, i.e. radio aerials75%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
6,788,271'Helical antenna manufacturing apparatus and method thereof'20046,285,340'Helical antenna for portable phones and manufacturing method thereof'20016,023,251'Ceramic chip antenna'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to KOREA ELECTRONICS TECHNOLOGY (1)· patent assignee history
2000–2001Based in Seoul, KR· patent location history
2001Patents assigned to ACE TECH (1)· patent assignee history
2004Patents assigned to CERA INC K (1)· patent assignee history
2004Based in Suwon-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ACE TECH12001
CERA INC K12004
KOREA ELECTRONICS TECHNOLOGY12000
Locations
LocationPatentsSpan
Seoul, KR22000–2001
Suwon-si, KR12004