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 51–75 of 251 patents

Patent #TitleCo-InventorsDate
9472402 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 2016-10-18
9455314 Y-FET with self-aligned punch-through-stop (PTS) doping Kangguo Cheng, Juntao Li 2016-09-27
9431523 Local thinning of semiconductor fins Kangguo Cheng, Carl Radens 2016-08-30
9425196 Multiple threshold voltage FinFETs Kangguo Cheng, Juntao Li, Fee Li Lie 2016-08-23
9418903 Structure and method for effective device width adjustment in finFET devices using gate workfunction shift Arvind Kumar, Carl Radens 2016-08-16
9397002 Self-aligned punchthrough stop doping in bulk finFET by reflowing doped oxide Michael P. Belyansky, Kangguo Cheng 2016-07-19
9349730 Fin transformation process and isolation structures facilitating different Fin isolation schemes Ajey Poovannummoottil Jacob, Kangguo Cheng, Bruce B. Doris, Nicolas Loubet, Prasanna Khare 2016-05-24
9312360 FinFET with epitaxial source and drain regions and dielectric isolated channel region Kangguo Cheng, Ali Khakifirooz, Alexander Reznicek, Soon-Cheon Seo 2016-04-12
9305930 Finfet crosspoint flash memory Arvind Kumar, Carl Radens 2016-04-05
9263454 Semiconductor structure having buried conductive elements Emre Alptekin, Pooja R. Batra, Kangguo Cheng, Johnathan E. Faltermeier, Reinaldo Vega 2016-02-16
9263449 FinFET and fin-passive devices Kangguo Cheng, Ali Khakifirooz, Theodorus E. Standaert 2016-02-16
9245981 Dielectric filler fins for planar topography in gate level Kangguo Cheng, Bruce B. Doris, Ali Khakifirooz, Edward J. Nowak, Kern Rim 2016-01-26
9245892 Semiconductor structure having buried conductive elements Emre Alptekin, Pooja R. Batra, Kangguo Cheng, Johnathan E. Faltermeier, Reinaldo Vega 2016-01-26
9236389 Embedded flash memory fabricated in standard CMOS process with self-aligned contact Kangguo Cheng, Subramanian S. Iyer, Ali Khakifirooz 2016-01-12
9224654 Fin capacitor employing sidewall image transfer Kangguo Cheng, Shom Ponoth, Theodorus E. Standaert, Tenko Yamashita 2015-12-29
9209172 FinFET and fin-passive devices Kangguo Cheng, Ali Khakifirooz, Theodorus E. Standaert 2015-12-08
9209094 Fin field effect transistor with dielectric isolation and anchored stressor elements Kangguo Cheng, Ali Khakifirooz, Kern Rim 2015-12-08
9190520 Strained finFET with an electrically isolated channel Henry K. Utomo, Kangguo Cheng, Dechao Guo, Myung-Hee Na, Ravikumar Ramachandran +2 more 2015-11-17
9093534 Dielectric filler fins for planar topography in gate level Kangguo Cheng, Bruce B. Doris, Ali Khakifirooz, Edward J. Nowak, Kern Rim 2015-07-28
9093496 Process for faciltiating fin isolation schemes Ajey Poovannummoottil Jacob, Kangguo Cheng, Bruce B. Doris, Nicolas Loubet, Prasanna Khare 2015-07-28
9059134 Self-aligned contacts for high k/metal gate process flow Ravikumar Ramachandran, Ying Li 2015-06-16
9059000 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 2015-06-16
9053970 Patterned strained semiconductor substrate and device Kangguo Cheng 2015-06-09
9029913 Silicon-germanium fins and silicon fins on a bulk substrate Henry K. Utomo, Kangguo Cheng, Myung-Hee Na, Ravikumar Ramachandran, Huiling Shang 2015-05-12
8987823 Method and structure for forming a localized SOI finFET Kangguo Cheng, Ali Khakifirooz, Kern Rim 2015-03-24