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

Choonghyun Lee

IBM: 99 patents #7 of 11,638Top 1%
ETElpis Technologies: 3 patents #1 of 38Top 3%
Rensselaer, NY: #1 of 12 inventorsTop 9%
New York: #4 of 12,766 inventorsTop 1%
Overall (2021): #49 of 548,734Top 1%
103 Patents 2021

Issued Patents 2021

Showing 51–75 of 103 patents

Patent #TitleCo-InventorsDate
10991537 Vertical vacuum channel transistor Injo Ok, Soon-Cheon Seo, Seyoung Kim 2021-04-27
10985315 Resistive random-access memory Kangguo Cheng, Juntao Li, Peng Xu 2021-04-20
10985069 Gate stack optimization for wide and narrow nanosheet transistor devices Jingyun Zhang, Takashi Ando 2021-04-20
10985257 Vertical transport fin field effect transistor with asymmetric channel profile Brent A. Anderson, Injo Ok, Soon-Cheon Seo 2021-04-20
10985273 Vertical field-effect transistor including a fin having sidewalls with a tapered bottom profile Chun Wing Yeung, Jingyun Zhang, Robin Hsin Kuo Chao, Heng Wu 2021-04-20
10985274 Reduction of top source/drain external resistance and parasitic capacitance in vertical transistors Kangguo Cheng, Juntao Li, Shogo Mochizuki 2021-04-20
10978571 Self-aligned contact with metal-insulator transition materials Kangguo Cheng, Juntao Li, Peng Xu 2021-04-13
10978356 Tri-layer STI liner for nanosheet leakage control Xin Miao, Alexander Reznicek, Jingyun Zhang 2021-04-13
10978572 Self-aligned contact with metal-insulator transition materials Kangguo Cheng, Juntao Li, Peng Xu 2021-04-13
10971584 Low contact resistance nanowire FETs Peng Xu, Juntao Li, Kangguo Cheng 2021-04-06
10971362 Extreme ultraviolet patterning process with resist hardening Chanro Park, Ruilong Xie, Kangguo Cheng 2021-04-06
10971407 Method of forming a complementary metal oxide semiconductor device having fin field effect transistors with a common metal gate Takashi Ando, Pouya Hashemi, Jingyun Zhang 2021-04-06
10971593 Oxygen reservoir for low threshold voltage P-type MOSFET Takashi Ando, Jingyun Zhang 2021-04-06
10971585 Gate spacer and inner spacer formation for nanosheet transistors having relatively small space between adjacent gates Injo Ok, Soon-Cheon Seo, Wenyu Xu 2021-04-06
10957698 Reduction of multi-threshold voltage patterning damage in nanosheet device structure Kangguo Cheng, Juntao Li, Shogo Mochizuki 2021-03-23
10957778 Formation of air gap spacers for reducing parasitic capacitance Kangguo Cheng, Peng Xu, Heng Wu 2021-03-23
10957742 Resistive random-access memory array with reduced switching resistance variability Takashi Ando, Seyoung Kim, Wilfried E. Haensch 2021-03-23
10950549 ILD gap fill for memory device stack array Soon-Cheon Seo, Injo Ok, Alexander Reznicek 2021-03-16
10943816 Mask removal for tight-pitched nanostructures Juntao Li, Kangguo Cheng 2021-03-09
10943924 Semiconductor-on-insulator finFET devices with high thermal conductivity dielectrics Sanghoon Shin, Takashi Ando 2021-03-09
10943903 Asymmetric threshold voltage VTFET with intrinsic dual channel epitaxy Jingyun Zhang, Takashi Ando, Alexander Reznicek, Pouya Hashemi 2021-03-09
10943835 Fabrication of silicon germanium channel and silicon/silicon germanium dual channel field-effect transistors Kangguo Cheng, Juntao Li, Shogo Mochizuki 2021-03-09
10943787 Confined work function material for gate-all around transistor devices Jingyun Zhang, Takashi Ando, Alexander Reznicek, Pouya Hashemi 2021-03-09
10937862 Nanosheet substrate isolated source/drain epitaxy via airgap Alexander Reznicek, Xin Miao, Jingyun Zhang 2021-03-02
10937883 Vertical transport FETs having a gradient threshold voltage Takashi Ando, Jingyun Zhang, Pouya Hashemi, Alexander Reznicek 2021-03-02