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 151–175 of 251 patents

Patent #TitleCo-InventorsDate
7091553 Top oxide nitride liner integration scheme for vertical DRAM Klaus Hummler 2006-08-15
7060546 Ultra-thin SOI MOSFET method and structure Louis C. Hsu, Carl Radens 2006-06-13
7041553 Process for forming a buried plate Cheng Kangguo 2006-05-09
7037794 Raised STI process for multiple gate ox and sidewall protection on strained Si/SGOI structure with elevated source/drain Jochen Beintner, Gary B. Bronner, Byeong Y. Kim 2006-05-02
7030012 Method for manufacturing tungsten/polysilicon word line structure in vertical DRAM Oleg Gluschenkov, Oh-Jung Kwon, Rajeev Malik 2006-04-18
7022622 Method and structure to improve properties of tunable antireflective coatings Kangguo Cheng 2006-04-04
7009237 Out of the box vertical transistor for eDRAM on SOI James W. Adkisson, Gary B. Bronner, Dureseti Chidambarrao, Carl Radens 2006-03-07
6972220 Structures and methods of anti-fuse formation in SOI Claude L. Bertin, Russell J. Houghton, Jack A. Mandelman, William R. Tonti 2005-12-06
6972266 Top oxide nitride liner integration scheme for vertical DRAM Klaus Hummler 2005-12-06
6969648 Method for forming buried plate of trench capacitor Kangguo Cheng 2005-11-29
6943409 Trench optical device Kangguo Cheng, Carl Radens 2005-09-13
6936511 Inverted buried strap structure and method for vertical transistor DRAM Thomas W. Dyer 2005-08-30
6933192 Method for fabricating a trench having a buried dielectric collar Ravikumar Ramachandran, Chun-Yung Sung 2005-08-23
6913968 Method and structure for vertical DRAM devices with self-aligned upper trench shaping Kangguo Cheng, C.Y. Sung 2005-07-05
6908806 Gate metal recess for oxidation protection and parasitic capacitance reduction Haining Yang, Oleg Gluschenkov, Rajeev Malik, Hongwen Yan, Ravikumar Ramachandran 2005-06-21
6909137 Method of creating deep trench capacitor using a P+ metal electrode Jack A. Mandelman, Dae-Gyu Park 2005-06-21
6833305 Vertical DRAM punchthrough stop self-aligned to storage trench Jack A. Mandelman, Dureseti Chidambarrao 2004-12-21
6831006 Structure and method for eliminating metal contact to P-well or N-well shorts or high leakage paths using polysilicon liner Jack A. Mandelman, Haining Yang 2004-12-14
6830968 Simplified top oxide late process Deok-kee Kim 2004-12-14
6818528 Method for multi-depth trench isolation Jack A. Mandelman 2004-11-16
6808981 Method for fabricating 6F2 trench DRAM cell with double-gated vertical MOSFET and self-aligned STI Jack A. Mandelman, Carl Radens, Gary B. Bronner 2004-10-26
6797553 Method for making 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 2004-09-28
6790722 Logic SOI structure, process and application for vertical bipolar transistor Russell J. Houghton, Jack A. Mandelman, Wilbur D. Pricer, William R. Tonti 2004-09-14
6787838 Trench capacitor DRAM cell using buried oxide as array top oxide Dureseti Chidambarrao, Deok-kee Kim 2004-09-07
6777733 Method for forming dual workfunction high-performance support MOSFETs in EDRAM arrays Jack A. Mandelman, Carl Radens 2004-08-17