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

Dongsik Han — 8 Patents

BBBbb: 2 patents #3 of 9Top 35%
DCDoosan Heavy Industries & Construction Co.: 1 patents #195 of 418Top 50%
Changwon-si, KR: #144 of 1,106 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Dongsik Han has been granted 8 US patents while listed as an inventor at Bbb. The first was granted in 2021 and the most recent in December 2025. Dongsik Han ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Dongsik Han in Changwon-si, KR.

Patents per Year

Patents granted per year, 2021 to 2023Bar chart with a peak of 3 patents in 2021.peak 32021: 3 patents20212022: 3 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12513892 Capacitor device having a changing group 14 concerntration in the lower electrode Jiajun An, Jin Vivian Lee, Hohyun Chae 2025-12-30
11607685 Microfluidic analysis chip having negative pressure generation part and method for using same Jaekyu Choi, Hyundoo Hwang 2023-03-21
11529629 Biosensor Hyundoo Hwang, Jaekyu Choi 2022-12-20
11225909 Combustor and gas turbine having the same 2022-01-18
11221142 Fuel nozzle assembly and gas turbine having the same Youngsam Shim, Ujin Roh, Jae Won Seo 2022-01-11
11143405 Combustor and gas turbine including the same 2021-10-12
11054140 Fuel supply device for gas turbine having multiple perforated plates Inchan Choi 2021-07-06
10962227 Combustor and gas turbine including the same 2021-03-30