RC

Roger W. Cheek

IBM: 30 patents #3,369 of 70,183Top 5%
MC Macronix International Co.: 2 patents #519 of 1,241Top 45%
QA Qimonda Ag: 1 patents #33 of 64Top 55%
Overall (All Time): #125,474 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 25 most recent of 30 patents

Patent #TitleCo-InventorsDate
9166165 Uniform critical dimension size pore for PCRAM application Matthew J. Breitwisch, Chung H. Lam, Hsiang-Lan Lung, Eric A. Joseph, Alejandro G. Schrott 2015-10-20
9105583 Catalytic etch with magnetic direction control Eric A. Joseph, David W. Abraham, Alejandro G. Schrott, Ying Zhang 2015-08-11
8897062 Memory programming for a phase change memory cell Matthew J. Breitwisch, Stefanie Chiras, Ibrahim M. Elfadel, Michele M. Franceschini, John P. Karidis +3 more 2014-11-25
8772906 Thermally insulated phase change material cells Matthew J. BrightSky, Chung H. Lam, Eric A. Joseph, Bipin Rajendran, Alejandro G. Schrott +1 more 2014-07-08
8743599 Approach for phase change memory cells targeting different device specifications Matthew J. BrightSky, Ming-Hsiu Lee 2014-06-03
8716759 Method to tailor location of peak electric field directly underneath an extension spacer for enhanced programmability of a prompt-shift device Matthew J. Breitwisch, Jeffrey B. Johnson, Chung H. Lam, Beth Ann Rainey, Michael J. Zierak 2014-05-06
8686391 Pore phase change material cell fabricated from recessed pillar Alejandro G. Schrott, Chung H. Lam, Eric A. Joseph, Matthew J. Breitwisch 2014-04-01
8633464 In via formed phase change memory cell with recessed pillar heater Matthew J. Breitwisch, Eric A. Joseph, Chung H. Lam, Alejandro G. Schrott 2014-01-21
8536675 Thermally insulated phase change material memory cells Matthew J. Breitwisch, Eric A. Joseph, Chung H. Lam, Bipin Rajendran, Alejandro G. Schrott +1 more 2013-09-17
8466006 Thermally insulated phase material cells Matthew J. Breitwisch, Eric A. Joseph, Chung H. Lam, Bipin Rajendran, Alejandro G. Schrott +1 more 2013-06-18
8447714 System for electronic learning synapse with spike-timing dependent plasticity using phase change memory Matthew J. Breitwisch, Chung H. Lam, Dharmendra S. Modha, Bipin Rajendran 2013-05-21
8330137 Pore phase change material cell fabricated from recessed pillar Alejandro G. Schrott, Chung H. Lam, Eric A. Joseph, Matthew J. Breitwisch 2012-12-11
8278197 Method to tailor location of peak electric field directly underneath an extension spacer for enhanced programmability of a prompt-shift device Matthew J. Breitwisch, Jeffrey B. Johnson, Chung H. Lam, Beth Ann Rainey, Michael J. Zierak 2012-10-02
8238149 Methods and apparatus for reducing defect bits in phase change memory Yen-Hao Shih, Ming-Hsiu Lee, Chao-I Wu, Hsiang-Lan Lung, Chung H. Lam +2 more 2012-08-07
8138056 Thermally insulated phase change material memory cells with pillar structure Matthew J. Breitwisch, Eric A. Joseph, Chung H. Lam, Bipin Rajendran, Alejandro G. Schrott +1 more 2012-03-20
8115186 Phase change memory cell with reduced switchable volume Matthew J. Breitwisch, Eric A. Joseph, Chung H. Lam, Hsiang-Lan Lung, Alejandro G. Schrott 2012-02-14
8105859 In via formed phase change memory cell with recessed pillar heater Matthew J. Breitwisch, Eric A. Joseph, Chung H. Lam, Alejandro G. Schrott 2012-01-31
8023345 Iteratively writing contents to memory locations using a statistical model Matthew J. Breitwisch, Stefanie Chiras, Ibrahim M. Elfadel, Michele M. Franceschini, John P. Karidis +3 more 2011-09-20
7960203 Pore phase change material cell fabricated from recessed pillar Alejandro G. Schrott, Chung H. Lam, Eric A. Joseph, Matthew J. Breitwisch 2011-06-14
7901980 Self-aligned in-contact phase change memory device Chung H. Lam, Stephen M. Rossnagel, Alejandro G. Schrott 2011-03-08
7851323 Phase change material with filament electrode Matthew J. Breitwisch, Eric A. Joseph, Chung H. Lam, Alejandro G. Schrott, Gerhard Ingmar Meijer 2010-12-14
7682945 Phase change element extension embedded in an electrode Chung H. Lam, Matthew J. Breitwisch, Alejandro G. Schrott, Matthew D. Moon 2010-03-23
7652914 Memory including two access devices per phase change element Thomas Nirschl, Mark C. H. Lamorey, Ming-Hsiu Lee 2010-01-26
7560721 Phase change material with filament electrode Matthew J. Breitwisch, Eric A. Joseph, Chung H. Lam, Alejandro G. Schrott, Gerhard Ingmar Meijer 2009-07-14
7485487 Phase change memory cell with electrode Matthew J. Breitwisch, Eric A. Joseph, Chung H. Lam, Alejandro G. Schrott 2009-02-03