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

Bhanwar Singh

AMAMD: 250 patents #4 of 9,279Top 1%
Globalfoundries: 4 patents #817 of 4,424Top 20%
SLSpansion Llc.: 2 patents #309 of 769Top 45%
California: #321 of 386,348 inventorsTop 1%
Overall (All Time): #1,834 of 4,157,543Top 1%
259 Patents All Time

Issued Patents All Time

Showing 51–75 of 259 patents

Patent #TitleCo-InventorsDate
7052921 System and method using in situ scatterometry to detect photoresist pattern integrity during the photolithography process Marina V. Plat, Calvin T. Gabriel, Christopher F. Lyons, Scott A. Bell, Ramkumar Subramanian +1 more 2006-05-30
7052575 System and method for active control of etch process Bharath Rangarajan, Ramkumar Subramanian 2006-05-30
7008832 Damascene process for a T-shaped gate electrode Ramkumar Subramanian, Christopher F. Lyons, Marina V. Plat 2006-03-07
7001830 System and method of pattern recognition and metrology structure for an X-initiative layout design Khoi A. Phan, Bharath Rangarajan 2006-02-21
6999254 Refractive index system monitor and control for immersion lithography Khoi A. Phan, Bharath Rangarajan, Ramkumar Subramanian 2006-02-14
6995433 Microdevice having non-linear structural component and method of fabrication Todd P. Lukanc, Sarah N. McGowan, Luigi Capodieci, Joerg Reiss 2006-02-07
6982043 Scatterometry with grating to observe resist removal rate during etch Ramkumar Subramanian, Bharath Rangarajan, Catherine B. Labelle, Christopher F. Lyons 2006-01-03
6974652 Lithographic photomask and method of manufacture to improve photomask test measurement Todd P. Lukanc, Luigi Capodieci, Christopher A. Spence 2005-12-13
6972576 Electrical critical dimension measurement and defect detection for reticle fabrication Christopher F. Lyons, Khoi A. Phan, Cyrus E. Tabery 2005-12-06
6972201 Using scatterometry to detect and control undercut for ARC with developable BARCs Ramkumar Subramanian, Khoi A. Phan 2005-12-06
6954678 Artificial intelligence system for track defect problem solving Khoi A. Phan, Bharath Rangarajan, Ramkumar Subramanian 2005-10-11
6934032 Copper oxide monitoring by scatterometry/ellipsometry during nitride or BLOK removal in damascene process Ramkumar Subramanian, Steven C. Avanzino, Bharath Rangarajan 2005-08-23
6931618 Feed forward process control using scatterometry for reticle fabrication Cyrus E. Tabery, Bharath Rangarajan, Ramkumar Subramanian 2005-08-16
6924157 Real time particle monitor inside of plasma chamber during resist strip processing Khoi A. Phan, Bharath Rangarajan 2005-08-02
6915177 Comprehensive integrated lithographic process control system based on product design and yield feedback system Khoi A. Phan, Bharath Rangarajan, Ramkumar Subramanian 2005-07-05
6912438 Using scatterometry to obtain measurements of in circuit structures Bryan K. Choo, Ramkumar Subramanian, Bharath Rangarajan 2005-06-28
6905950 Growing copper vias or lines within a patterned resist using a copper seed layer Ramkumar Subramanian, Michael K. Templeton, Bharath Rangarajan 2005-06-14
6884999 Use of scanning probe microscope for defect detection and repair Sanjay K. Yedur, Bryan K. Choo 2005-04-26
6879051 Systems and methods to determine seed layer thickness of trench sidewalls Michael K. Templeton, Bharath Rangarajan, Ramkumar Subramanian 2005-04-12
6878560 Fab correlation system Bharath Rangarajan, Ramkumar Subramanian 2005-04-12
6879406 Use of scatterometry as a control tool in the manufacture of extreme UV masks Bharath Rangarajan, Ramkumar Subramanian 2005-04-12
6869888 E-beam flood exposure of spin-on material to eliminate voids in vias Marina V. Plat, Ramkumar Subramanian, Christopher F. Lyons 2005-03-22
6849469 Monitor and control of silicidation using fourier transform infrared scatterometry Ciby Thuruthiyil, Ramkumar Subramanian 2005-02-01
6845345 System for monitoring and analyzing diagnostic data of spin tracks Michael K. Templeton, Ramkumar Subramanian 2005-01-18
6844206 Refractive index system monitor and control for immersion lithography Khoi A. Phan, Bharath Rangarajan, Ramkumar Subramanian 2005-01-18