Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CP

Chanro Park — 304 Patents

IBM: 163 patents #250 of 70,183Top 1%
Globalfoundries: 130 patents #9 of 4,424Top 1%
Infineon Technologies Ag: 7 patents #1,301 of 7,486Top 20%
GUGlobalfoundries U.S.: 5 patents #117 of 665Top 20%
SESematech: 2 patents #22 of 123Top 20%
ASAdeia Semiconductor Solutions: 1 patents #22 of 57Top 40%
TETessera: 1 patents #207 of 271Top 80%
ASAltis Semiconductor, Snc: 1 patents #12 of 27Top 45%
ASAltis Semiconductor: 1 patents #7 of 35Top 20%
Clifton Park, NY: #3 of 1,126 inventorsTop 1%
New York: #58 of 115,490 inventorsTop 1%
Overall (All Time): #1,261 of 4,157,543Top 1%
304 Patents All Time
Chanro Park has been granted 304 US patents while listed as an inventor at IBM. The first was granted in 2004 and the most recent in September 2025. Chanro Park ranks #1,261 of 4,157,543 US inventors in our database (top 0.03%). Patent records list Chanro Park in Clifton Park, NY, US.

Issued Patents All Time

Showing 1–25 of 304 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12426338 Buried power rail with robust connection to a wrap around contact Ruilong Xie, Kangguo Cheng, Julien Frougier 2025-09-23
12419080 Semiconductor structure with wrapped-around backside contact Ruilong Xie, Min Gyu Sung, Kangguo Cheng, Julien Frougier 2025-09-16
12417944 Formation of trench silicide source or drain contacts without gate damage Andrew M. Greene, Ruilong Xie, Laertis Economikos, Veeraraghavan S. Basker, Hui Zang 2025-09-16
12406920 Top via interconnect with airgap Kenneth Chun Kuen Cheng, Koichi Motoyama, Chih-Chao Yang 2025-09-02
12402329 Top via containing random-access memory cross-bar array Koichi Motoyama, Hsueh-Chung Chen, Kenneth Chun Kuen Cheng, Chih-Chao Yang 2025-08-26
12400912 Dual-damascene fav interconnects with dielectric plug Kenneth Chun Kuen Cheng, Koichi Motoyama, Chih-Chao Yang 2025-08-26
12396225 Method to release nano sheet after nano sheet fin recess Kangguo Cheng, Ruilong Xie, Juntao Li, Choonghyun Lee 2025-08-19
12389609 Circuit architecture using transistors with dynamic dual functionality for logic and embedded memory drivers Julien Frougier, Ruilong Xie, Kangguo Cheng, Heng Wu, Min Gyu Sung 2025-08-12
12389813 Resistive switching memory cell Kangguo Cheng, Julien Frougier, Ruilong Xie 2025-08-12
12382665 Increased gate length at given footprint for nanosheet device Ruilong Xie, Julien Frougier, Kangguo Cheng 2025-08-05
12382662 Wrap-around-contact for 2D-channel gate-all-around field-effect-transistors Julien Frougier, Ruilong Xie, Kangguo Cheng, Andrew Gaul 2025-08-05
12382708 Vertical stacked nanosheet CMOS transistors with different work function metals Kangguo Cheng, Juntao Li, Ruilong Xie 2025-08-05
12369494 MRAM top electrode structure with liner layer Hsueh-Chung Chen, Koichi Motoyama, Yann Mignot, Chih-Chao Yang 2025-07-22
12362004 Scaled 2T DRAM Min Gyu Sung, Julien Frougier, Ruilong Xie, Juntao Li 2025-07-15
12356638 Metal-insulator-metal capacitor structure with enlarged capacitor area Koichi Motoyama, Kenneth Chun Kuen Cheng, Chih-Chao Yang 2025-07-08
12341100 Copper interconnects with self-aligned hourglass-shaped metal cap Koichi Motoyama, Kenneth Chun Kuen Cheng, Chih-Chao Yang 2025-06-24
12336279 Fin stack including tensile-strained and compressively strained fin portions Kangguo Cheng, Julien Frougier, Ruilong Xie 2025-06-17
12328916 CPP-agnostic source-drain contact formation for gate-all-around devices with dielectric isolation Julien Frougier, Ruilong Xie, Kangguo Cheng, Oleg Gluschenkov 2025-06-10
12324234 Fork sheet device with better electrostatic control Ruilong Xie, Kangguo Cheng, Julien Frougier 2025-06-03
12324197 Spin-based gate-all-around transistors Julien Frougier, Kangguo Cheng, Ruilong Xie, Andrew Gaul, Min Gyu Sung 2025-06-03
12315807 Reducing copper line resistance Kenneth Chun Kuen Cheng, Koichi Motoyama, Chih-Chao Yang 2025-05-27
12317514 Resistive random-access memory structures with stacked transistors Min Gyu Sung, Kangguo Cheng, Julien Frougier, Ruilong Xie, Soon-Cheon Seo 2025-05-27
12310064 Isolation pillar structures for stacked device structures Ruilong Xie, Julien Frougier, Kangguo Cheng, Min Gyu Sung 2025-05-20
12310061 Nanosheet transistor devices with different active channel widths Ruilong Xie, Julien Frougier, Kangguo Cheng, Cheng Chi, Jinning Liu 2025-05-20
12261056 Top via patterning using metal as hard mask and via conductor Nicholas Anthony Lanzillo, Huai Huang, Hosadurga Shobha, Lawrence A. Clevenger 2025-03-25