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

Kwan-Young Han — 57 Patents

Samsung: 50 patents #1,852 of 75,807Top 3%
SCSeoul Semiconductor Co.: 4 patents #99 of 277Top 40%
SCSeoul Viosys Co.: 1 patents #215 of 300Top 75%
PFPostech Academy-Industry Foundation: 1 patents #529 of 1,477Top 40%
DIDaikin Industries: 1 patents #1,764 of 2,957Top 60%
CCCeko Co.: 1 patents #9 of 20Top 45%
Nam-dong, KR: #7 of 66 inventorsTop 15%
Overall (All Time): #42,372 of 4,157,543Top 2%
57 Patents All Time

Issued Patents All Time

Showing 51–57 of 57 patents

Patent #TitleCo-InventorsDate
RE42112 Chip light emitting diode and fabrication method thereof Do Hyung Kim, Seung-Man Yang, Chung Hoon Lee, Hong San Kim, Kwang-Il Park 2011-02-08
7042022 Chip light emitting diode and fabrication method thereof Do Hyung Kim, Seung-Man Yang, Chung Hoon Lee, Hong San Kim, Kwang-Il Park 2006-05-09
6493058 Liquid crystal display 2002-12-10
6048928 Optical alignment polymer and optical alignment composition having the same Han-sung Yu, Seong-Han Yu, Yong-Kyu Jang, Byung-Hoon Chae, Jang-Kun Song 2000-04-11
6027772 Optical alignment composition, alignment layer formed using the same and LCD having the alignment layer 2000-02-22
5925423 Optical alignment polymer, alignment layer formed using the same and liquid crystal display device having the alignment layer Seong-Han Yu 1999-07-20
5866034 Heat resistant polymer composition, alignment layer formed using the same and liquid cyrstal display having the alignment layer 1999-02-02