Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Choonghyun Lee — 401 Patents

IBM: 388 patents #43 of 70,183Top 1%
ETElpis Technologies: 5 patents #4 of 121Top 4%
Samsung: 3 patents #31,179 of 75,807Top 45%
KFKorea University Research And Business Foundation: 2 patents #312 of 2,072Top 20%
SCSemes Co.: 2 patents #274 of 991Top 30%
TETessera: 1 patents #207 of 271Top 80%
Rensselaer, NY: #1 of 101 inventorsTop 1%
New York: #34 of 115,490 inventorsTop 1%
Overall (All Time): #639 of 4,157,543Top 1%
401 Patents All Time
Choonghyun Lee has been granted 401 US patents while listed as an inventor at IBM. The first was granted in 2017 and the most recent in September 2025. Choonghyun Lee ranks #639 of 4,157,543 US inventors in our database (top 0.02%). Patent records list Choonghyun Lee in Rensselaer, NY, US.

Issued Patents All Time

Showing 1–25 of 401 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12408369 Vertical transport field effect transistors having different threshold voltages along the channel Takashi Ando, Alexander Reznicek, Jingyun Zhang 2025-09-02
12408431 Gate stack quality for gate-all-around field-effect transistors Jingyun Zhang, Takashi Ando 2025-09-02
12396225 Method to release nano sheet after nano sheet fin recess Chanro Park, Kangguo Cheng, Ruilong Xie, Juntao Li 2025-08-19
12255106 Multi-Vt nanosheet devices Jingyun Zhang, Takashi Ando, Alexander Reznicek 2025-03-18
12230676 Nanosheet device with tri-layer bottom dielectric isolation Xin Miao, Jingyun Zhang, Alexander Reznicek 2025-02-18
12183826 Vertical field effect transistor with low-resistance bottom source-drain contact Soon-Cheon Seo, Injo Ok, Alexander Reznicek 2024-12-31 $22,533,000
12156395 Metal gate patterning for logic and SRAM in nanosheet devices Takashi Ando, Jingyun Zhang, Alexander Reznicek 2024-11-26 $25,600,000
12136671 Gate-all-around field-effect transistor having source side lateral end portion smaller than a thickness of channel portion and drain side lateral end portion Jingyun Zhang, Takashi Ando, Pouya Hashemi, Alexander Reznicek 2024-11-05 $24,022,000
12132098 Uniform interfacial layer on vertical fin sidewalls of vertical transport field-effect transistors Shogo Mochizuki, Kangguo Cheng, Juntao Li 2024-10-29 $23,226,000
12094949 Fin-type field effect transistor having a wrap-around gate with bottom isolation and inner spacers to reduce parasitic capacitance Chanro Park, Ruilong Xie, Kangguo Cheng 2024-09-17 $9,971,000
12046466 Method and apparatus for treating substrate Yong Jun SEO, Hyun YOON, Jungsuk Goh, Byeong Geun Kim, Yoonki SA +6 more 2024-07-23
12027459 Integrated circuit device and method of manufacturing the same Joonyong Choe, Youngju Lee 2024-07-02
12009422 Self aligned top contact for vertical transistor Christopher J. Waskiewicz, Chanro Park, Alexander Reznicek 2024-06-11 $12,881,000
12009395 Self-aligned block for vertical FETs Ruilong Xie, Junli Wang, Alexander Reznicek 2024-06-11 $12,881,000
11996480 Vertical transistor with late source/drain epitaxy Kangguo Cheng, Juntao Li, Shogo Mochizuki 2024-05-28 $16,652,000
11990530 Replacement-channel fabrication of III-V nanosheet devices Jingyun Zhang, Chun Wing Yeung, Robin Hsin Kuo Chao, Heng Wu 2024-05-21 $15,464,000
11978783 Vertical fin field effect transistor devices with reduced top source/drain variability and lower resistance Kangguo Cheng, Shogo Mochizuki, Juntao Li 2024-05-07 $15,644,000
11949011 Vertical transistor with gate encapsulation layers Chen Zhang 2024-04-02 $9,951,000
11937521 Structure and method to fabricate resistive memory with vertical pre-determined filament Chanro Park, Kangguo Cheng, Ruilong Xie 2024-03-19 $12,891,000
11923438 Field-effect transistor with punchthrough stop region Kangguo Cheng, Shogo Mochizuki, Juntao Li 2024-03-05 $15,162,000
11881505 Tri-layer STI liner for nanosheet leakage control Xin Miao, Alexander Reznicek, Jingyun Zhang 2024-01-23 $16,624,000
11842998 Semiconductor device and method of forming the semiconductor device Robin Hsin Kuo Chao, Hemanth Jagannathan, Chun Wing Yeung, Jingyun Zhang 2023-12-12 $10,723,000
11830877 Co-integrated channel and gate formation scheme for nanosheet transistors having separately tuned threshold voltages Takashi Ando, Jingyun Zhang, Pouya Hashemi, Alexander Reznicek 2023-11-28 $7,743,000
11784096 Vertical transport field-effect transistors having germanium channel surfaces Pouya Hashemi, Takashi Ando 2023-10-10 $6,086,000
11784122 Integrated circuit device and method of manufacturing the same Joonyong Choe, Youngju Lee 2023-10-10