Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JJ

Jong-hwa Joo

Samsung: 1 patents #3,826 of 8,673Top 45%
Seoul, KR: #1,425 of 3,741 inventorsTop 40%
Overall (2011): #261,143 of 364,097Top 75%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8010021 Developing cartridge having a plurality of developers with different material properties and image forming apparatus having the same 2011-08-30