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 101–125 of 251 patents

Patent #TitleCo-InventorsDate
7790530 Dual port gain cell with side and top gated read transistor Jack A. Mandelman, Kangguo Cheng, Carl Radens, Geng Wang 2010-09-07
7785959 Method of multi-port memory fabrication with parallel connected trench capacitors in a cell Kangguo Cheng, Jack A. Mandelman, Carl Radens, Geng Wang 2010-08-31
7776706 Forming SOI trench memory with single-sided buried strap Kangguo Cheng, Herbert L. Ho, Geng Wang 2010-08-17
7759188 Method of fabricating vertical body-contacted SOI transistor Kangguo Cheng, Gary B. Bronner, Carl Radens 2010-07-20
7737482 Self-aligned strap for embedded trench memory on hybrid orientation substrate Kangguo Cheng, Carl Radens 2010-06-15
7737502 Raised STI process for multiple gate ox and sidewall protection on strained Si/SGOI sructure with elevated source/drain Jochen Beintner, Gary B. Bronner, Byeong Y. Kim 2010-06-15
7736965 Method of making a FinFET device structure having dual metal and high-k gates Kangguo Cheng 2010-06-15
7732872 Integration scheme for multiple metal gate work function structures Kangguo Cheng, Michael P. Chudzik, Geng Wang, Robert C. Wong, Haining Yang 2010-06-08
7713814 Hybrid orientation substrate compatible deep trench capacitor embedded DRAM Kangguo Cheng 2010-05-11
7700434 Trench widening without merging Kangguo Cheng 2010-04-20
7682859 Patterned strained semiconductor substrate and device Kangguo Cheng 2010-03-23
7683428 Vertical Fin-FET MOS devices Dureseti Chidambarrao, Jochen Beintner 2010-03-23
7615816 Buried plate structure for vertical dram devices Kangguo Cheng, Chun-Yung Sung 2009-11-10
7611931 Semiconductor structures with body contacts and fabrication methods thereof Kangguo Cheng, Jack A. Mandelman 2009-11-03
7601646 Top-oxide-early process and array top oxide planarization Deok-kee Kim, Hiroyuki Akatsu, George Worth, Jay William Strane, Byeong Y. Kim 2009-10-13
7569450 Semiconductor capacitors in hot (hybrid orientation technology) substrates Kangguo Cheng, Carl Radens 2009-08-04
7497959 Methods and structures for protecting one area while processing another area on a chip Deok-kee Kim, Kenneth T. Settlemyer, Jr., Kangguo Cheng, Carl Radens, Dirk Pfeiffer +4 more 2009-03-03
7488642 Process for forming a buried plate Kangguo Cheng 2009-02-10
7485910 Simplified vertical array device DRAM/eDRAM integration: method and structure Deok-kee Kim, Carl Radens, Dae-Gyu Park 2009-02-03
7485525 Method of manufacturing a multiple port memory having a plurality of parallel connected trench capacitors in a cell Kangguo Cheng, Jack A. Mandelman, Carl Radens, Geng Wang 2009-02-03
7470570 Process for fabrication of FinFETs Jochen Beintner, Gary B. Bronner, Yujun Li 2008-12-30
7459743 Dual port gain cell with side and top gated read transistor Jack A. Mandelman, Kangguo Cheng, Carl Radens, Geng Wang 2008-12-02
7445987 Offset vertical device Kangguo Cheng, Geng Wang 2008-11-04
7439135 Self-aligned body contact for a semiconductor-on-insulator trench device and method of fabricating same Kangguo Cheng 2008-10-21
7439128 Method of creating deep trench capacitor using a P+ metal electrode Jack A. Mandelman, Dae-Gyu Park 2008-10-21