Jae-Duck Lee has been granted 13 US patents while listed as an inventor at Daewoo Electronics . The first was granted in 1998 and the most recent in September 2025. Jae-Duck Lee ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Jae-Duck Lee in Seoul, KR.
Patents per Year Patents granted per year, 1998 to 2025 Bar chart with a peak of 4 patents in 2025. peak 4 1998: 1 patents 1998 2004: 1 patents 2004 2008: 1 patents 2008 2009: 2 patents 2009 2010: 1 patents 2010 2018: 1 patents 2018 2020: 1 patents 2020 2024: 1 patents 2024 2025: 4 patents 2025
Issued Patents All Time
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Showing 1–13 of 13 patents
Patent # Title Co-Inventors Date
12416444
Portable refrigerator and main refrigerator having the same
Hyoung Keun Lim , Hyun Woo Park
2025-09-16
12403707
Inkjet head management apparatus and inkjet printing apparatus
Hosang Lee , Suk-Won Jang , Won Yong Jin
2025-09-02
12372291
Refrigerator
Hyun Woo Park , Hyoung Keun Lim
2025-07-29
12251944
Meniscus measuring apparatus and method, substrate processing apparatus
Han Lim KANG , Suk-Won Jang , Won Yong Jin
2025-03-18
12097696
Fringe information measuring apparatus and substrate treating system including the same
Han Lim KANG , Won Yong Jin , Suk-Won Jang
2024-09-24
10791163
Communication apparatus, method, and system for using multimedia service
Dohyung Kim , Young-Ky Kim , Ki-Ho Cho , Ye-Sul Ha
2020-09-29
9882938
Composite ARS service providing method and apparatus
Dohyung Kim , Young-Ky Kim , Ki-Ho Cho
2018-01-30
7791492
Wireless communication based safer street lamp control system
Kee-Young Nam , Seong Hwan JEONG
2010-09-07
7500283
Vacuum cleaner provided with a cover locking/releasing structure and a cover hinge-coupling structure
Nam-Ho Lee
2009-03-10
7475449
Vacuum cleaner
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2009-01-13
7353026
Method for performing hard hand-off in cellular mobile communication system
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2008-04-01
6779229
Versatile vacuum cleaner
Nam-Ho Lee , Min-Ho Park , Im Suk Choi
2004-08-24
5720074
Vacuum cleaner having a noise reduction system
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1998-02-24