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

Alejandro G. Schrott

IBM: 118 patents #427 of 70,183Top 1%
MCMacronix International Co.: 9 patents #200 of 1,241Top 20%
IIIntermec Ip: 8 patents #34 of 391Top 9%
QAQimonda Ag: 3 patents #252 of 575Top 45%
LPLenovo Pte.: 1 patents #12 of 75Top 20%
GUGlobalfoundries U.S.: 1 patents #22 of 211Top 15%
New York, NY: #25 of 20,192 inventorsTop 1%
New York: #326 of 115,490 inventorsTop 1%
Overall (All Time): #8,700 of 4,157,543Top 1%
128 Patents All Time

Issued Patents All Time

Showing 26–50 of 128 patents

Patent #TitleCo-InventorsDate
8921820 Phase change memory cell with large electrode contact area Matthew J. BrightSky, Chung H. Lam, Jing Li, Norma E. Sosa Cortes 2014-12-30
8772906 Thermally insulated phase change material cells Matthew J. BrightSky, Roger W. Cheek, Chung H. Lam, Eric A. Joseph, Bipin Rajendran +1 more 2014-07-08
8686391 Pore phase change material cell fabricated from recessed pillar Chung H. Lam, Eric A. Joseph, Matthew J. Breitwisch, Roger W. Cheek 2014-04-01
8680501 Memory cell with post deposition method for regrowth of crystalline phase change material Chung H. Lam, Stephen M. Rossnagel 2014-03-25
8633464 In via formed phase change memory cell with recessed pillar heater Matthew J. Breitwisch, Roger W. Cheek, Eric A. Joseph, Chung H. Lam 2014-01-21
8623734 Method to selectively grow phase change material inside a via hole Chieh-Fang Chen, Chung H. Lam 2014-01-07
8559217 Phase change material cell with stress inducer liner Catherine A. Dubourdieu, Martin M. Frank, Bipin Rajendran 2013-10-15
8536675 Thermally insulated phase change material memory cells Matthew J. Breitwisch, Roger W. Cheek, Eric A. Joseph, Chung H. Lam, Bipin Rajendran +1 more 2013-09-17
8471236 Flat lower bottom electrode for phase change memory cell Matthew J. Breitwisch, Eric A. Joseph, Chung H. Lam, Hsiang-Lan Lung 2013-06-25
8466006 Thermally insulated phase material cells Matthew J. Breitwisch, Roger W. Cheek, Eric A. Joseph, Chung H. Lam, Bipin Rajendran +1 more 2013-06-18
8445313 Method for forming a self-aligned bit line for PCRAM and self-aligned etch back process Matthew J. Breitwisch, Chieh-Fang Chen, Shih-Hung Chen, Eric A. Joseph, Chung H. Lam +3 more 2013-05-21
8426967 Scaled-down phase change memory cell in recessed heater Eric A. Joseph, Chung H. Lam 2013-04-23
8383501 Vertical field effect transistor arrays and methods for fabrication thereof Matthew J. Breitwisch, Chung H. Lam 2013-02-26
8354659 Post deposition method for regrowth of crystalline phase change material Chung H. Lam, Stephen M. Rossnagel 2013-01-15
8344351 Phase change memory device with plated phase change material Matthew J. Breitwisch, Eric A. Joseph, Xiaoyan Shao 2013-01-01
8338225 Method to reduce a via area in a phase change memory cell Matthew J. Breitwisch, Eric A. Joseph, Chung H. Lam, Yu Zhu 2012-12-25
8330137 Pore phase change material cell fabricated from recessed pillar Chung H. Lam, Eric A. Joseph, Matthew J. Breitwisch, Roger W. Cheek 2012-12-11
8283650 Flat lower bottom electrode for phase change memory cell Matthew J. Breitwisch, Eric A. Joseph, Chung H. Lam, Hsiang-Lan Lung 2012-10-09
8273598 Method for forming a self-aligned bit line for PCRAM and self-aligned etch back process Matthew J. Breitwisch, Chieh-Fang Chen, Shih-Hung Chen, Eric A. Joseph, Chung H. Lam +3 more 2012-09-25
8233317 Phase change memory device suitable for high temperature operation Matthew J. Breitwisch, Chung H. Lam, Bipin Rajendran, Simone Raoux, Daniel Krebs 2012-07-31
8138056 Thermally insulated phase change material memory cells with pillar structure Matthew J. Breitwisch, Roger W. Cheek, Eric A. Joseph, Chung H. Lam, Bipin Rajendran +1 more 2012-03-20
8138028 Method for manufacturing a phase change memory device with pillar bottom electrode Hsiang-Lan Lung, Chieh-Fang Chen, Yi-Chou Chen, Shih-Hung Chen, Chung H. Lam +5 more 2012-03-20
8124950 Concentric phase change memory element Thomas Happ 2012-02-28
8119528 Nanoscale electrodes for phase change memory devices Eric A. Joseph, Mary B. Rothwell, Matthew J. Breitwisch, Chung H. Lam, Bipin Rajendran +1 more 2012-02-21
8115186 Phase change memory cell with reduced switchable volume Matthew J. Breitwisch, Roger W. Cheek, Eric A. Joseph, Chung H. Lam, Hsiang-Lan Lung 2012-02-14