Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
BK

Bong Sung Ko — 6 Patents

MAMandom: 4 patents #73 of 647Top 15%
HMHl Mando: 2 patents #64 of 338Top 20%
Nam-dong, KR: #24 of 66 inventorsTop 40%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Bong Sung Ko has been granted 6 US patents while listed as an inventor at Mandom. The first was granted in 2014 and the most recent in June 2025. Bong Sung Ko ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Bong Sung Ko in Nam-dong, KR.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12325474 Reducer for vehicle steering device 2025-06-10
11577773 Steering column of vehicle 2023-02-14
11325635 Foldable steering wheel assembly and steering apparatus comprising the same 2022-05-10
10731744 Speed reducer for vehicle 2020-08-04
9091337 Reducer of electric power steering apparatus Seong Yoon KIM, Seung Yong Pyo, Sung Jae Yoo 2015-07-28
8905185 Reducer of electric power steering apparatus Seong Yoon KIM, Seung Yong Pyo, Sung Jae Yoo 2014-12-09