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 76–100 of 251 patents

Patent #TitleCo-InventorsDate
8933528 Semiconductor fin isolation by a well trapping fin portion Henry K. Utomo, Kangguo Cheng, Ravikumar Ramachandran, Huiling Shang, Reinaldo Vega 2015-01-13
8928086 Strained finFET with an electrically isolated channel Henry K. Utomo, Kangguo Cheng, Dechao Guo, Myung-Hee Na, Ravikumar Ramachandran +2 more 2015-01-06
8912607 Replacement metal gate structures providing independent control on work function and gate leakage current Unoh Kwon, Siddarth A. Krishnan, Ravikumar Ramachandran 2014-12-16
8779511 Integration of fin-based devices and ETSOI devices Narasimhulu Kanike, Kangguo Cheng, Carl Radens 2014-07-15
8759172 Etch stop layer formation in metal gate process Zhengwen Li, Michael P. Chudzik, Siddarth A. Krishnan, Unoh Kwon, Richard S. Wise 2014-06-24
8703552 Method and structure for forming capacitors and memory devices on semiconductor-on-insulator (SOI) substrates Kangguo Cheng 2014-04-22
8664075 High capacitance trench capacitor Keith Kwong Hon Wong, Roger A. Booth, Jr. 2014-03-04
8614485 Process for fabrication of FINFETs Jochen Beintner, Gary B. Bronner, Yujun Li 2013-12-24
8592264 Source-drain extension formation in replacement metal gate transistor device Takashi Ando, Huiming Bu, Bruce B. Doris, Chung-Hsun Lin, Huiling Shang +1 more 2013-11-26
8563398 Electrically conductive path forming below barrier oxide layer and integrated circuit Gregory Costrini, Jeffrey P. Gambino, Randy W. Mann 2013-10-22
8536656 Self-aligned contacts for high k/metal gate process flow Ravikumar Ramachandran, Ying Li 2013-09-17
8492818 High capacitance trench capacitor Keith Kwong Hon Wong, Roger A. Booth, Jr. 2013-07-23
8450169 Replacement metal gate structures providing independent control on work function and gate leakage current Unoh Kwon, Siddarth A. Krishnan, Ravikumar Ramachandran 2013-05-28
8367494 Electrical fuse formed by replacement metal gate process Ying Li 2013-02-05
8236634 Integration of fin-based devices and ETSOI devices Narasimhulu Kanike, Kangguo Cheng, Carl Radens 2012-08-07
8159015 Method and structure for forming capacitors and memory devices on semiconductor-on-insulator (SOI) substrates Kangguo Cheng 2012-04-17
8053823 Simplified buried plate structure and process for semiconductor-on-insulator chip Kangguo Cheng, Herbert L. Ho, Carl Radens 2011-11-08
8039888 Conductive spacers for semiconductor devices and methods of forming Gary B. Bronner, David M. Fried, Jeffrey P. Gambino, Leland Chang, Haizhou Yin +2 more 2011-10-18
8017997 Vertical metal-insulator-metal (MIM) capacitor using gate stack, gate spacer and contact via Mukta G. Farooq, Jeffrey P. Gambino, Kevin S. Petrarca 2011-09-13
7935998 Self-aligned body contact for a semiconductor-on-insulator trench device and method of fabricating same Kangguo Cheng 2011-05-03
7923840 Electrically conductive path forming below barrier oxide layer and integrated circuit Gregory Costrini, Jeffrey P. Gambino, Randy W. Mann 2011-04-12
7919347 Methods of fabricating P-I-N diodes, structures for P-I-N diodes and design structure for P-I-N diodes Kangguo Cheng, Carl Radens, William R. Tonti 2011-04-05
7871895 Method and structure for relieving transistor performance degradation due to shallow trench isolation induced stress Wai-Kin Li, Haining Yang 2011-01-18
7867893 Method of forming an SOI substrate contact Haining Yang, Byeong Y. Kim, Junedong Lee, Gaku Sudo 2011-01-11
7821098 Trench widening without merging Kangguo Cheng 2010-10-26