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USPTO Patent Rankings Data through Sept 30, 2025
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Dongho Ahn — 23 Patents

Samsung: 23 patents #5,651 of 75,807Top 8%
Overall (All Time): #177,401 of 4,157,543Top 5%
23 Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
12431351 Method of forming germanium antimony tellurium film Donggeon Gu, Won Jun Lee, Changyup Park, Yewon KIM, Kwonyoung KIM +1 more 2025-09-30
12426264 Semiconductor devices and data storage systems including the same Jinwoo Lee, Jooheon Kang, Donggeon Gu, Doyoon Kim, Yumin KIM +4 more 2025-09-23
12426275 Switching device and memory device including the same Minwoo CHOI, Bonwon KOO, Yongyoung Park, Hajun SUNG, Kiyeon YANG +2 more 2025-09-23
12414309 Memory device including phase-change material Kiyeon YANG, Changseung LEE 2025-09-09
12396379 Semiconductor devices Changyup Park, Donggeon Gu, Wonjun Park, Jinwoo Lee 2025-08-19
12324166 Resistive memory device Chungman Kim, Bonwon KOO, Kiyeon YANG, Zhe Wu, Chang-seung Lee 2025-06-03
12268105 Semiconductor apparatus Kiyeon YANG, Changseung LEE 2025-04-01
12254922 Memory device including switching material and phase change material Minwoo CHOI, Young Jae Kang, Bonwon KOO, Yongyoung Park, Hajun SUNG +3 more 2025-03-18
12232429 Semiconductor device including data storage material pattern Jeonghee Park, Wonjun Park 2025-02-18
12185647 Variable resistance memory device Wonjun Park, Chungman Kim, Changyup Park 2024-12-31
12101942 Semiconductor device including chalcogen compound and semiconductor apparatus including the same Wooyoung Yang, Bonwon KOO, Chungman Kim, Kwangmin Park, Hajun SUNG +2 more 2024-09-24
12063793 Chalcogen compound and semiconductor device including the same Kiyeon YANG, Bonwon KOO, Segab KWON, Chungman Kim, Yongyoung Park +2 more 2024-08-13
11818899 Semiconductor device including layers with different chalcogen compounds and semiconductor apparatus including the same Wooyoung Yang, Bonwon KOO, Chungman Kim, Kwangmin Park, Hajun SUNG +2 more 2023-11-14
11744167 Semiconductor apparatus including a phase change material layer having a first and a second chalcogen layer Kiyeon YANG, Changseung LEE 2023-08-29
11616197 Variable resistance memory device Ja Bin Lee, Zhe Wu, Kwangmin Park, Gwangguk An, Seung-Geun Yu +1 more 2023-03-28
11581367 Semiconductor device Segab KWON, Chungman Kim, Kwangmin Park, Zhe Wu, Seunggeun YU +3 more 2023-02-14
11037992 Variable resistance memory device Jeonghee Park, Changyup Park, Zhe Wu 2021-06-15
10892410 Variable resistance memory devices and methods of manufacturing variable resistance memory devices Jeonghee Park, Jiho Park, Changyup Park 2021-01-12
9985204 Semiconductor memory device Jinwoo Lee, Jeonghee Park, Zhe Wu, Heeju Shin, Ja Bin Lee 2018-05-29
8558348 Variable resistance memory device and methods of forming the same Gyuhwan Oh, Dong-Hyun Im, Soonoh Park, Young-Lim Park, Eun-Hee Cho 2013-10-15
8501623 Method of forming a semiconductor device having a metal silicide and alloy layers as electrode Gyuhwan Oh, Young-Lim Park, Soonoh Park, Jinil Lee 2013-08-06
8278206 Variable resistance memory device and methods of forming the same Gyuhwan Oh, Dong-Hyun Im, Soonoh Park, Young-Lim Park, Eun-Hee Cho 2012-10-02
8263455 Method of forming variable resistance memory device Young-Lim Park, Jinil Lee, Sihyung Lee, Gyuhwan Oh 2012-09-11