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

Byoung-Choo Park

Yongjin-eup, KR: #1 of 2 inventorsTop 50%
Overall (All Time): #1,023,926 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7666691 Organic semiconductor devices and organic electroluminescent devices produced by using wet process 2010-02-23
7582508 Method for manufacturing an organic semiconductor device that utilizes ionic salt 2009-09-01
6987356 Active-matrix organic electroluminescent display 2006-01-17
6967436 Matrix-type triode organic electroluminescent display 2005-11-22
6897621 Three-terminal organic electro-luminescent device 2005-05-24