RS

Ramkumar Subramanian

AM AMD: 218 patents #6 of 9,279Top 1%
C3 Carefusion 303: 14 patents #36 of 459Top 8%
Caterpillar: 4 patents #1,659 of 8,398Top 20%
Lam Research: 4 patents #662 of 2,128Top 35%
Globalfoundries: 3 patents #1,029 of 4,424Top 25%
SL Spansion Llc.: 2 patents #309 of 769Top 45%
ST Sandisk Technologies: 2 patents #967 of 2,224Top 45%
WT Western Digital Technologies: 1 patents #1,787 of 3,180Top 60%
University Of Texas System: 1 patents #2,951 of 6,559Top 45%
MT Matheson Tri-Gas: 1 patents #28 of 47Top 60%
Microsoft: 1 patents #24,826 of 40,388Top 65%
📍 San Diego, CA: #88 of 23,606 inventorsTop 1%
🗺 California: #342 of 386,348 inventorsTop 1%
Overall (All Time): #1,957 of 4,157,543Top 1%
251
Patents All Time

Issued Patents All Time

Showing 51–75 of 251 patents

Patent #TitleCo-InventorsDate
7235414 Using scatterometry to verify contact hole opening during tapered bilayer etch Calvin T. Gabriel, Bhanwar Singh 2007-06-26
7224456 In-situ defect monitor and control system for immersion medium in immersion lithography Khoi A. Phan, Bhanwar Singh, Bharath Rangarajan 2007-05-29
7221060 Composite alignment mark scheme for multi-layers in lithography Bhanwar Singh, Khoi A. Phan, Bharath Rangarajan, Iraj Emami 2007-05-22
7187796 Systems and methods that employ exposure compensation to provide uniform CD control on reticle during fabrication Khoi A. Phan, Bhanwar Singh 2007-03-06
7156925 Using supercritical fluids to clean lenses and monitor defects Bhanwar Singh, Khoi A. Phan, Srikanteswara Dakshina-Murthy 2007-01-02
7158896 Real time immersion medium control using scatterometry Bhanwar Singh, Srikanteswara Dakshina-Murthy, Khoi A. Phan, Bharath Rangarajan, Iraj Emami 2007-01-02
7153364 Re-circulation and reuse of dummy-dispensed resist Bharath Rangarajan, Khoi A. Phan, Ursula Q. Quinto, Michael K. Templeton 2006-12-26
7115440 SO2 treatment of oxidized CuO for copper sulfide formation of memory element growth Christopher F. Lyons, Sergey Lopatin, James J. Xie, Angela T. Hui 2006-10-03
7109046 Surface oxide tabulation and photo process control and cost savings Bhanwar Singh, Khoi A. Phan 2006-09-19
7084988 System and method for creation of semiconductor multi-sloped features Bharath Rangarajan, Bhanwar Singh 2006-08-01
7079975 Scatterometry and acoustic based active control of thin film deposition process Arvind Halliyal, Bhanwar Singh 2006-07-18
7078348 Dual layer patterning scheme to make dual damascene Bhanwar Singh, Bharath Rangarajan, Michael K. Templeton 2006-07-18
7076320 Scatterometry monitor in cluster process tool environment for advanced process control (APC) Khoi A. Phan, Bhanwar Singh 2006-07-11
7065427 Optical monitoring and control of two layers of liquid immersion media Srikanteswara Dakshina-Murthy, Bhanwar Singh, Bharath Rangarajan, Khoi A. Phan 2006-06-20
7064846 Non-lithographic shrink techniques for improving line edge roughness and using imperfect (but simpler) BARCs Gilles Amblard, Bhanwar Singh, Khoi A. Phan 2006-06-20
7056804 Shallow trench isolation polish stop layer for reduced topography Christopher F. Lyons 2006-06-06
7052921 System and method using in situ scatterometry to detect photoresist pattern integrity during the photolithography process Marina V. Plat, Bhanwar Singh, Calvin T. Gabriel, Christopher F. Lyons, Scott A. Bell +1 more 2006-05-30
7052575 System and method for active control of etch process Bharath Rangarajan, Bhanwar Singh 2006-05-30
7034930 System and method for defect identification and location using an optical indicia device Khoi A. Phan, Bharath Rangarajan 2006-04-25
7018922 Patterning for elongated VSS contact flash memory Hung-Eil Kim, Anna M. Minvielle, Christopher F. Lyons, Marina V. Plat 2006-03-28
7015504 Sidewall formation for high density polymer memory element array Christopher F. Lyons, Mark S. Chang, Sergey Lopatin, Patrick K. Cheung, Minh Van Ngo +1 more 2006-03-21
7011762 Metal bridging monitor for etch and CMP endpoint detection Christopher F. Lyons, Steven C. Avanzino 2006-03-14
7008832 Damascene process for a T-shaped gate electrode Christopher F. Lyons, Marina V. Plat, Bhanwar Singh 2006-03-07
6999254 Refractive index system monitor and control for immersion lithography Khoi A. Phan, Bharath Rangarajan, Bhanwar Singh 2006-02-14
6982043 Scatterometry with grating to observe resist removal rate during etch Bharath Rangarajan, Catherine B. Labelle, Bhanwar Singh, Christopher F. Lyons 2006-01-03