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

Jun Seok Lee — 117 Patents

Samsung: 23 patents #5,651 of 75,807Top 8%
LCLg Semicon Co.: 21 patents #4 of 547Top 1%
LG: 13 patents #3,458 of 26,165Top 15%
DCDongbu Electronics, Co.: 9 patents #17 of 281Top 7%
SCSemes Co.: 6 patents #60 of 991Top 7%
Applied Materials: 5 patents #2,165 of 7,310Top 30%
KTKorea Institute Of Science And Technology: 4 patents #514 of 3,491Top 15%
GCGoldstar Electron Co.: 4 patents #9 of 188Top 5%
Hyundai Motor: 4 patents #2,665 of 11,886Top 25%
VAVarian Semiconductor Equipment Associates: 4 patents #157 of 513Top 35%
KMKia Motors: 3 patents #1,762 of 7,429Top 25%
DCDongwoo Hst Co.: 3 patents #2 of 18Top 15%
DCDongbu Hitek Co.: 3 patents #80 of 402Top 20%
UNUnknown: 2 patents #12,644 of 83,584Top 20%
RERealnetworks: 2 patents #45 of 155Top 30%
MHMedipal Holdings: 1 patents #120 of 253Top 50%
ACAhn-Gook Pharmaceutical Co.: 1 patents #11 of 30Top 40%
LILintec: 1 patents #282 of 514Top 55%
3M: 1 patents #7,233 of 11,543Top 65%
Busan, MA: #1 of 5 inventorsTop 20%
Overall (All Time): #10,475 of 4,157,543Top 1%
117 Patents All Time

Issued Patents All Time

Showing 101–117 of 117 patents

Patent #TitleCo-InventorsDate
5858577 Phase shift mask and fabrication method thereof Tae Gak Kim 1999-01-12
5856049 Phase shift mask and method for manufacturing same 1999-01-05
5851708 Method for fabricating phase shifting mask and a phase shifting mask 1998-12-22
5851705 Method for manufacturing a self-aligned type out-rigger phase shift mask 1998-12-22
5824438 Structure of phase shifting mask and method of manufacturing the same comprising an adhesive layer between a phase shift layer and a light blocking layer Yong Kyoo Choi, Chan Min Park 1998-10-20
5824439 Phase shifiting mask and method of manufacturing the same 1998-10-20
5786111 Phase shift mask and fabricating method thereof 1998-07-28
5770350 Method for forming pattern using multilayer resist 1998-06-23
5766805 Method for fabricating phase shift mask Oh Seok Han 1998-06-16
5725969 Method of manufacturing phase-shifting mask comprising a light shield pattern on a phase-shifting attenuatting layer 1998-03-10
5700626 Method for forming multi-layer resist pattern Hun Hur, Young Jin SONG 1997-12-23
5637425 Method for fabricating phase shift mask comprising a polymethylmethacrylate phase shift film Suk-Bin Han 1997-06-10
5609994 Method for patterning photoresist film having a stepwise thermal treatment 1997-03-11
5525192 Method for forming a submicron resist pattern Keom J. Park 1996-06-11
5455131 Method for fabrication of lithography mask Chan Hee Kang 1995-10-03
5437947 Phase shifting mask and method of manufacturing the same Hun Hur 1995-08-01
5376227 Multilevel resist process 1994-12-27