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

Chih-Chao Yang

IBM: 84 patents #10 of 11,638Top 1%
ITITRI: 1 patents #170 of 779Top 25%
Glenmont, NY: #1 of 14 inventorsTop 8%
New York: #7 of 12,766 inventorsTop 1%
Overall (2021): #84 of 548,734Top 1%
85 Patents 2021

Issued Patents 2021

Showing 1–25 of 85 patents

Patent #TitleCo-InventorsDate
11211291 Via formation with robust hardmask removal Ruilong Xie, Christopher J. Waskiewicz, Kangguo Cheng 2021-12-28
11205592 Self-aligned top via structure Ruilong Xie, Cheng Chi, Kangguo Cheng 2021-12-21
11205588 Interconnect architecture with enhanced reliability Baozhen Li, Naftali E. Lustig 2021-12-21
11205591 Top via interconnect with self-aligned barrier layer Kenneth Chun Kuen Cheng, Chanro Park, Koichi Motoyama 2021-12-21
11201112 Fully-aligned skip-vias Kenneth Chun Kuen Cheng, Chanro Park, Koichi Motoyama 2021-12-14
11201056 Pitch multiplication with high pattern fidelity Chanro Park, Koichi Motoyama, Kenneth Chun Kuen Cheng 2021-12-14
11195751 Bilayer barrier for interconnect and memory structures formed in the BEOL Baozhen Li 2021-12-07
11177169 Interconnects with gouged vias Kenneth Chun Kuen Cheng, Koichi Motoyama, Hosadurga Shobha 2021-11-16
11177214 Interconnects with hybrid metal conductors Kenneth Chun Kuen Cheng, Chanro Park, Koichi Motoyama 2021-11-16
11177213 Embedded small via anti-fuse device Baozhen Li, Tianji Zhou, Ashim Dutta, Saumya Sharma 2021-11-16
11177163 Top via structure with enlarged contact area with upper metallization level Koichi Motoyama, Chanro Park, Kenneth Chun Kuen Cheng 2021-11-16
11177167 Ultrathin multilayer metal alloy liner for nano Cu interconnects Daniel C. Edelstein, Alfred Grill, Seth L. Knupp, Son V. Nguyen, Takeshi Nogami +2 more 2021-11-16
11171044 Planarization controllability for interconnect structures Ruilong Xie, Chanro Park, Kangguo Cheng, Julien Frougier 2021-11-09
11164878 Interconnect and memory structures having reduced topography variation formed in the BEOL Baozhen Li, Raghuveer R. Patlolla, Cornelius Brown Peethala 2021-11-02
11164774 Interconnects with spacer structure for forming air-gaps Kenneth Chun Kuen Cheng, Koichi Motoyama, Chanro Park 2021-11-02
11164779 Bamboo tall via interconnect structures Michael Rizzolo, Theodorus E. Standaert 2021-11-02
11158584 Selective CVD alignment-mark topography assist for non-volatile memory Michael Rizzolo, Lawrence A. Clevenger, Benjamin D. Briggs 2021-10-26
11158786 MRAM device formation with controlled ion beam etch of MTJ Ashim Dutta, Lijuan Zou, John C. Arnold 2021-10-26
11152300 Electrical fuse with metal line migration Baozhen Li, Yan Li, Keith Kwong Hon Wong 2021-10-19
11145813 Bottom electrode for semiconductor memory device Theodorus E. Standaert, Daniel C. Edelstein 2021-10-12
11145591 Integrated circuit (IC) device integral capacitor and anti-fuse Jim Shih-Chun Liang, Baozhen Li 2021-10-12
11139202 Fully aligned top vias with replacement metal lines Chanro Park, Koichi Motoyama, Kenneth Chun Kuen Cheng 2021-10-05
11139242 Via-to-metal tip connections in multi-layer chips Ruilong Xie, Chi-Chun Liu, Kangguo Cheng 2021-10-05
11133216 Interconnect structure Hsueh-Chung Chen, Roger A. Quon 2021-09-28
11133457 Controllable formation of recessed bottom electrode contact in a memory metallization stack Raghuveer R. Patlolla, James J. Kelly 2021-09-28