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

Ja-Hum Ku — 44 Patents

Samsung: 44 patents #2,302 of 75,807Top 4%
IBM: 5 patents #18,733 of 70,183Top 30%
CMChartered Semiconductor Manufacturing: 3 patents #194 of 840Top 25%
Infineon Technologies Ag: 3 patents #2,452 of 7,486Top 35%
Seoul, NY: #24 of 112 inventorsTop 25%
Overall (All Time): #68,058 of 4,157,543Top 2%
44 Patents All Time

Issued Patents All Time

Showing 26–44 of 44 patents

Patent #TitleCo-InventorsDate
7365025 Methods of forming dual-damascene interconnect structures on semiconductor substrates using multiple planarization layers having different porosity characteristics Kyoung-Woo Lee, Seung-Man Choi, Ki-Chul Park, Sun-Oo Kim 2008-04-29
7317204 Test structure of semiconductor device Min-Chul Sun, Brian J. Greene, Manfred Eller, Wee Lang Tan, Sunfei Fang +1 more 2008-01-08
7306996 Methods of fabricating a semiconductor device having a metal gate pattern Chang-Won Lee, Seong-Jun Heo, Sun-Pil Youn, Sung-Man Kim 2007-12-11
7297584 Methods of fabricating semiconductor devices having a dual stress liner Jae-eon Park, Jun Jung Kim, Dae-Kwon Kang, Young Way Teh 2007-11-20
7232756 Nickel salicide process with reduced dopant deactivation Kwan-Jong Roh, Min-Chul Sun, Min-Joo Kim, Sug-Woo Jung, Sun-Pil Youn 2007-06-19
7109104 Methods of fabricating a semiconductor device having a metal gate pattern Chang-Won Lee, Seong-Jun Heo, Sun-Pil Youn, Sung-Man Kim 2006-09-19
7098123 Methods of forming a semiconductor device having a metal gate electrode and associated devices Seong-Jun Heo, Sun-Pil Youn, Sung-Man Kim, Si-Young Choi, Gil-Heyun Choi +3 more 2006-08-29
7084061 Methods of fabricating a semiconductor device having MOS transistor with strained channel Min-Chul Sun, Sug-Woo Jung, Sun-Pil Youn, Min-Joo Kim, Kwan-Jong Roh 2006-08-01
7005367 Method of fabricating a semiconductor device having a silicon oxide layer, a method of fabricating a semiconductor device having dual spacers, a method of forming a silicon oxide layer on a substrate, and a method of forming dual spacers on a conductive material layer Chang-Won Lee, Seong-Jun Heo, Min-Chul Sun, Sun-Pil Youn 2006-02-28
6960515 Method of forming a metal gate Mahn-Ho Cho, Chul-Joon Choi, Jun-Kyu Cho, Seong-Jun Heo 2005-11-01
6936528 Method of forming cobalt silicide film and method of manufacturing semiconductor device having cobalt silicide film Kyeong-mo Koo, Hye Jeong Park 2005-08-30
6864132 Methods of fabricating integrated circuit gates by pretreating prior to oxidizing Jun-Kyu Cho, Si-Young Choi, Sun-Pil Youn, Sung-Man Kim 2005-03-08
6797559 Method of fabricating semiconductor device having metal conducting layer Chang-Won Lee, Si-Young Choi, Seong-Jun Heo, Sung-Man Kim, Min-Chul Sun +1 more 2004-09-28
6764961 Method of forming a metal gate electrode Mahn-Ho Cho, Chul-Joon Choi, Seong-Jun Heo, Jun-Kyu Cho 2004-07-20
6624496 Method of forming T-shaped isolation layer, method of forming elevated salicide source/drain region using the same, and semiconductor device having T-shaped isolation layer Dong-Ho Ahn, Chul-Sung Kim, Jae-Yoon Yoo, Sug-hun Hong, Chul-Joon Choi 2003-09-23
6383877 Method of forming T-shaped isolation layer, method of forming elevated salicide source/drain region using the same, and semiconductor device having T-shaped isolation layer Dong-Ho Ahn, Chul-Sung Kim, Jae-Yoon Yoo, Sug-hun Hong, Chul-Joon Choi 2002-05-07
6329276 Method of forming self-aligned silicide in semiconductor device Soo-geun Lee, Chul-Sung Kim, Tae-Wook Seo, Eung-Joon Lee, Joo-Hyuk Chung 2001-12-11
6255181 Method for fabricating MOS semiconductor device having salicide region and LDD structure Oh-Sung Song 2001-07-03
6218690 Transistor having reverse self-aligned structure Hyoung-sub Kim, Chul-Sung Kim, Jung-Woo Park 2001-04-17