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Inventor

Jae-Duck Lee

Inventor
Seoul, KR

Overview

8→
Patents
1998–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning44%
H04LTransmission of digital information, e.g. telegraphic communication22%
H04WWireless communication networks22%
H05BElectric heating11%
PatentTitleYear
10,791,163Communication apparatus, method, and system for using multimedia service20209,882,938'Composite ARS service providing method and apparatus'20187,791,492'Wireless communication based safer street lamp control system'20107,500,283'Vacuum cleaner provided with a cover locking/releasing structure and a cover hinge-coupling structure'20097,475,449'Vacuum cleaner'20097,353,026'Method for performing hard hand-off in cellular mobile communication system'20086,779,229'Versatile vacuum cleaner'20045,720,074'Vacuum cleaner having a noise reduction system'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to DAEWOO ELECTRONICS CO LTD (1)· patent assignee history
1998–2020Based in Seoul, KR· patent location history
2004–2009Patents assigned to DAEWOO ELECTRONICS CORP (3)· patent assignee history
2008–2020Patents assigned to SAMSUNG ELECTRONICS CO LTD (3)· patent assignee history
2008Based in Songnam-shi, KR· patent location history
2010Patents assigned to KOREAN ELECTRO TECHNOLOGY RES (1)· patent assignee history
2010Based in Changwon-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAEWOO ELECTRONICS CORP32004–2009
SAMSUNG ELECTRONICS CO LTD32008–2020
DAEWOO ELECTRONICS CO LTD11998
KOREAN ELECTRO TECHNOLOGY RES12010
Locations
LocationPatentsSpan
Seoul, KR61998–2020
Changwon-si, KR12010
Songnam-shi, KR12008