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

Ramachandra Divakaruni — 251 Patents

IBM: 237 patents #122 of 70,183Top 1%
Infineon Technologies Ag: 18 patents #789 of 7,486Top 15%
Globalfoundries: 13 patents #279 of 4,424Top 7%
Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
SSStmicroelectronics Sa: 2 patents #601 of 1,676Top 40%
ETElpis Technologies: 1 patents #31 of 121Top 30%
Ossining, NY: #5 of 613 inventorsTop 1%
New York: #90 of 115,490 inventorsTop 1%
Overall (All Time): #1,970 of 4,157,543Top 1%
251 Patents All Time

Issued Patents All Time

Showing 201–225 of 251 patents

Patent #TitleCo-InventorsDate
6566219 Method of forming a self aligned trench in a semiconductor using a patterned sacrificial layer for defining the trench opening Gerhard Kunkel, Shahid Butt, Armin Reith, Munir D. Naeem 2003-05-20
6548357 Modified gate processing for optimized definition of array and logic devices on same chip Mary E. Weybright, Gary B. Bronner, Richard A. Conti, Jeffrey P. Gambino, Peter D. Hoh +1 more 2003-04-15
6541810 Modified vertical MOSFET and methods of formation thereof Prakash Dev, Rajeev Malik, Larry Nesbit 2003-04-01
6518641 Deep slit isolation with controlled void Jack A. Mandelman, Johnathan E. Faltermeier, William R. Tonti 2003-02-11
6518118 Structure and process for buried bitline and single sided buried conductor formation Satish D. Athavale, Jack A. Mandelman 2003-02-11
6509226 Process for protecting array top oxide Venkatachalam C. Jaiprakash, Jack A. Mandelman, Rajeev Malik, Mihel Seitz 2003-01-21
6503798 Low resistance strap for high density trench DRAMS Jeffrey P. Gambino, Herbert L. Ho, Akira Sudo 2003-01-07
6504210 Fully encapsulated damascene gates for Gigabit DRAMs Jeffrey P. Gambino, Jack A. Mandelman, Viraj Y. Sardesai, Mary E. Weybright 2003-01-07
6501117 Static self-refreshing DRAM structure and operating mode Carl Radens, Gary B. Bronner, Jack A. Mandelman 2002-12-31
6495876 DRAM strap: hydrogen annealing for improved strap resistance in high density trench DRAMS Gary B. Bronner, Yoichi Takegawa 2002-12-17
6492211 Method for novel SOI DRAM BICMOS NPN Russell J. Houghton, Jack A. Mandelman, W. David Pricer, William R. Tonti 2002-12-10
6458646 Asymmetric gates for high density DRAM Wayne F. Ellis, Jack A. Mandelman, Mary E. Weybright 2002-10-01
6455886 Structure and process for compact cell area in a stacked capacitor cell array Jack A. Mandelman, Carl Radens 2002-09-24
6448590 Multiple threshold voltage FET using multiple work-function gate materials James W. Adkisson, Arne Ballantine, Jeffrey B. Johnson, Erin C. Jones, Hon-Sum Philip Wong 2002-09-10
6448131 Method for increasing the capacitance of a trench capacitor Cyril Cabral, Jr., Kevin K. Chan, Guy M. Cohen, Christian Lavoie, Fenton R. McFeely 2002-09-10
6444548 Bitline diffusion with halo for improved array threshold voltage control Yujun Li, Jack A. Mandelman 2002-09-03
6441422 Structure and method for ultra-scalable hybrid DRAM cell with contacted P-well Jack A. Mandelman, Carl Radens, Jai-Hoon Sim 2002-08-27
6440793 Vertical MOSFET Heon Lee, Jack A. Mandelman, Carl Radens, Jai-Hoon Sim 2002-08-27
6440872 Method for hybrid DRAM cell utilizing confined strap isolation Jack A. Mandelman, Carl Radens, Stephan Kudelka 2002-08-27
6432787 Method and apparatus for providing low-GIDL dual workfunction gate doping with borderless diffusion contact Jack A. Mandelman 2002-08-13
6429101 Method of forming thermally stable polycrystal to single crystal electrical contact structure Ricky S. Amos, Arne Ballantine, Gregory Bazan, Bomy Chen, Douglas D. Coolbaugh +6 more 2002-08-06
6429068 Structure and method of fabricating embedded vertical DRAM arrays with silicided bitline and polysilicon interconnect Ulrike Gruening, Jack A. Mandelman, Larry Nesbit, Carl Radens 2002-08-06
6426247 Low bitline capacitance structure and method of making same Jeffrey P. Gambino, Jack A. Mandelman, Rajesh Rengarajan 2002-07-30
6426526 Single sided buried strap Jack A. Mandelman, Gary B. Bronner, Carl Radens 2002-07-30
6420750 Structure and method for buried-strap with reduced outdiffusion Jack A. Mandelman 2002-07-16