DC

Duk Soon Choi

NC Neooto Co.: 9 patents #2 of 14Top 15%
AK Amkor Technology Korea: 1 patents #4 of 19Top 25%
NC Nts Co.: 1 patents #2 of 12Top 20%
Samsung: 1 patents #49,284 of 75,807Top 70%
📍 Anmyeon-eup, KR: #38 of 671 inventorsTop 6%
Overall (All Time): #440,747 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12025215 Transmission with structure for preventing rotation of snap ring Yun Sik Jeong, Sun Hyun Kim 2024-07-02
11994173 Clutch pack system for transmission Sun Hyun Kim 2024-05-28
11953062 One-way clutch regenerative braking system Sun Hyun Kim 2024-04-09
11920661 Vehicle transmission and vehicle powertrain device Se-hoon Oh, Jae Won Shin, Jae Oh Han, Sun Hyun Kim 2024-03-05
11885414 Parking apparatus for vehicle with rack and pinion structure and transmission for vehicle including the same Sun Hyun Kim 2024-01-30
11773972 Transmission apparatus for electric vehicle Dong Hoon Lim, Sun Hyun Kim 2023-10-03
11754149 Transmission for electric car with improved one-way clutch Se-hoon Oh, Won Hyeong Jeong, Jae Oh Han, Tae Su Kim, Jong Seok Lee +2 more 2023-09-12
11746899 Transmission with 1 axis shift mechanism Yun Sik Jeong, Sun Hyun Kim 2023-09-05
10480622 Two-speed transmission for electric vehicle Sun Hyun Kim, Sun Beom Woo, Se-hoon Oh 2019-11-19
9664706 Semiconductor chip testing apparatus for picking up and testing a semiconductor chip In Seol HWANG, Woo-Yoel Jeong, Seong Han Park, In-Seob Kwon, Dong Shin Kim 2017-05-30
6911815 Semiconductor test system and method of operating the same Taek-Joon Jeon, Jae-Hong Yun, In Cheol Kim 2005-06-28