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

Gianpaolo Spadini — 42 Patents

Micron: 22 patents #802 of 6,345Top 15%
Intel: 8 patents #4,870 of 30,777Top 20%
MIMicrochip Technology Incorporated: 4 patents #144 of 958Top 20%
OVOvonyx: 4 patents #29 of 96Top 35%
OTOvonyx Memory Technology: 1 patents #22 of 30Top 75%
ZIZilog: 1 patents #78 of 150Top 55%
Campbell, CA: #102 of 2,187 inventorsTop 5%
California: #10,539 of 386,348 inventorsTop 3%
Overall (All Time): #72,975 of 4,157,543Top 2%
42 Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
8971089 Low power phase change memory cell Elijah V. Karpov, Kuo-Wei Chang 2015-03-03
8945403 Material test structure Fabio Pellizzer, Innocenzo Tortorelli, Christina Papagianni, Jong Won Lee 2015-02-03
8861293 Immunity of phase change material to disturb in the amorphous phase George Andrew Gordon, Semyon D. Savransky, Ward Parkinson, Sergey Kostylev, James Reed +2 more 2014-10-14
8765581 Self-aligned cross-point phase change memory-switch array Jong Won Lee, Derchang Kau 2014-07-01
8634226 Immunity of phase change material to disturb in the amorphous phase George Andrew Gordon, Semyon D. Savransky, Ward Parkinson, Sergey Kostylev, James Reed +2 more 2014-01-21
8462537 Method and apparatus to reset a phase change memory and switch (PCMS) memory cell Elijah V. Karpov 2013-06-11
8404514 Fabricating current-confining structures in phase change memory switch cells Jong Won Lee, Derchang Kau 2013-03-26
8385100 Energy-efficient set write of phase change memory with switch Derchang Kau, Johannes Kalb, Elijah V. Karpov 2013-02-26
8345472 Three-terminal ovonic threshold switch as a current driver in a phase change memory Jong Won Lee 2013-01-01
8278641 Fabricating current-confining structures in phase change memory switch cells Jong Won Lee, Derchang Kau 2012-10-02
8184469 Stored multi-bit data characterized by multiple-dimensional memory states Johannes A. Kalb, Derchang Kau 2012-05-22
7990761 Immunity of phase change material to disturb in the amorphous phase George Andrew Gordon, Semyon D. Savransky, Ward Parkinson, Sergey Kostylev, James Reed +2 more 2011-08-02
6504191 Independently programmable memory segments within a PMOS electrically erasable programmable read only memory array achieved by N-well separation and method therefor Donald S. Gerber, Randy Yach, Kent Hewitt 2003-01-07
6300183 Independently programmable memory segments within a PMOS electrically erasable programmable read only memory array achieved by N-well separation and method therefor Donald S. Gerber, Randy Yach, Kent Hewitt 2001-10-09
6219279 Non-volatile memory program driver and read reference circuits Mihai-Costin Manolescu 2001-04-17
5733795 Method of fabricating a MOS read-only semiconductor memory array Salvatore Spinella 1998-03-31
5644154 MOS read-only semiconductor memory with selected source/drain regions spaced away from edges of overlying gate electrode regions and method therefor Salvatore Spinella 1997-07-01