Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RC

Roy A. Carruthers — 36 Patents

IBM: 36 patents #2,703 of 70,183Top 4%
Stormville, NY: #8 of 88 inventorsTop 10%
New York: #3,106 of 115,490 inventorsTop 3%
Overall (All Time): #92,222 of 4,157,543Top 3%
36 Patents All Time
Roy A. Carruthers has been granted 36 US patents while listed as an inventor at IBM. The first was granted in 1994 and the most recent in January 2015. Roy A. Carruthers ranks #92,222 of 4,157,543 US inventors in our database (top 2.2%). Patent records list Roy A. Carruthers in Stormville, NY, US.

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8927057 Graphene formation utilizing solid phase carbon sources Ageeth A. Bol, Jack O. Chu, Alfred Grill, Christian Lavoie, Katherine L. Saenger +1 more 2015-01-06 $2,134,000
8154130 Self-aligned metal to form contacts to Ge containing substrates and structure formed thereby Cyril Cabral, Jr., Christophe Detavernier, Simon Gaudet, Christian Lavoie, Huiling Shang 2012-04-10 $19,969,000
8125082 Reduction of silicide formation temperature on SiGe containing substrates Cyril Cabral, Jr., Jia Chen, Christopher G. M. M. Detavernier, James M. E. Harper, Christian Lavoie 2012-02-28 $6,579,000
8119466 Self-aligned process for nanotube/nanowire FETs Phaedon Avouris, Jia Chen, Christopher G. M. M. Detavernier, Christian Lavoie, Hon-Sum Philip Wong 2012-02-21 $5,017,000
8003453 Self-aligned process for nanotube/nanowire FETs Phaedon Avouris, Jia Chen, Christopher G. M. M. Detavernier, Christian Lavoie, Hon-Sum Philip Wong 2011-08-23 $4,386,000
7784669 Method and process for reducing undercooling in a lead-free tin-rich solder alloy Gareth G. Hougham, Kamalesh K. Srivastava, Sung Kwon Kang, Da-Yuan Shih, Brian R. Sundlof +4 more 2010-08-31 $3,369,000
7703661 Method and process for reducing undercooling in a lead-free tin-rich solder alloy Gareth G. Hougham, Kamalesh K. Srivastava, Sung Kwon Kang, Da-Yuan Shih, Brian R. Sundlof +4 more 2010-04-27 $6,715,000
7682968 Self-aligned metal to form contacts to Ge containing substrates and structure formed thereby Cyril Cabral, Jr., Christophe Detavernier, Simon Gaudet, Christian Lavoie, Huiling Shang 2010-03-23 $4,775,000
7598516 Self-aligned process for nanotube/nanowire FETs Phaedon Avouris, Jia Chen, Christophe Detavernier, Christian Lavoie, Hon-Sum Philip Wong 2009-10-06 $19,573,000
7517795 Stabilization of Ni monosilicide thin films in CMOS devices using implantation of ions before silicidation Cedrik Y. Cole, Christophe Detavernier, Christian Lavoie, Kenneth P. Rodbell 2009-04-14 $4,368,000
7449782 Self-aligned metal to form contacts to Ge containing substrates and structure formed thereby Cyril Cabral, Jr., Christophe Detavernier, Simon Gaudet, Christian Lavoie, Huiling Shang 2008-11-11 $10,353,000
7384868 Reduction of silicide formation temperature on SiGe containing substrates Cyril Cabral, Jr., Jia Chen, Christophe Detavernier, James M. E. Harper, Christian Lavoie 2008-06-10 $5,963,000
7271486 Retarding agglomeration of Ni monosilicide using Ni alloys Cyril Cabral, Jr., Christophe Detavernier, James M. E. Harper, Christian Lavoie 2007-09-18 $6,075,000
7247946 On-chip Cu interconnection using 1 to 5 nm thick metal cap John Bruley, Lynne M. Gignac, Chao-Kun Hu, Eric G. Liniger, Sandra G. Malhotra +1 more 2007-07-24 $9,916,000
7119012 Stabilization of Ni monosilicide thin films in CMOS devices using implantation of ions before silicidation CEDRIK COIA, Christophe Detavernier, Christian Lavoie, Kenneth P. Rodbell 2006-10-10 $5,276,000
7102234 Method and structure for reduction of contact resistance of metal silicides using a metal-germanium alloy Cyril Cabral, Jr., James M. E. Harper, Christian Lavoie, Ronnen Andrew Roy, Yun-Yu Wang 2006-09-05 $3,397,000
7098476 Multilayer interconnect structure containing air gaps and method for making Katherina Babich, Timothy J. Dalton, Alfred Grill, Jeffrey Hedrick, Christopher V. Jahnes +4 more 2006-08-29 $3,832,000
7081676 Structure for controlling the interface roughness of cobalt disilicide Paul D. Agnello, Cyril Cabral, Jr., James M. E. Harper, Christian Lavoie, Kirk D. Peterson +4 more 2006-07-25 $9,389,000
6972250 Method and structure for ultra-low contact resistance CMOS formed by vertically self-aligned CoSi2 on raised source drain Si/SiGe device Cyril Cabral, Jr., Kevin K. Chan, Jack O. Chu, Guy M. Cohen, Steven J. Koester +2 more 2005-12-06 $7,444,000
6905560 Retarding agglomeration of Ni monosilicide using Ni alloys Cyril Cabral, Jr., Christophe Detavernier, James M. E. Harper, Christian Lavoie 2005-06-14 $9,509,000
6815329 Multilayer interconnect structure containing air gaps and method for making Katherina Babich, Timothy J. Dalton, Alfred Grill, Jeffrey Hedrick, Christopher V. Jahnes +4 more 2004-11-09 $4,707,000
6809030 Method and structure for controlling the interface roughness of cobalt disilicide Paul D. Agnello, Cyril Cabral, Jr., James M. E. Harper, Christian Lavoie, Kirk D. Peterson +4 more 2004-10-26 $17,835,000
6753606 Method and structure for reduction of contact resistance of metal silicides using a metal-germanium alloy Cyril Cabral, Jr., James M. E. Harper, Christian Lavoie, Ronnen Andrew Roy, Yun-Yu Wang 2004-06-22 $6,022,000
6690072 Method and structure for ultra-low contact resistance CMOS formed by vertically self-aligned CoSi2 on raised source drain Si/SiGe device Cyril Cabral, Jr., Kevin K. Chan, Jack O. Chu, Guy M. Cohen, Steven J. Koester +2 more 2004-02-10 $15,099,000
6503641 Interconnects with Ti-containing liners Cyril Cabral, Jr., James M. E. Harper, Chao-Kun Hu, Kim Y. Lee, Ismail C. Noyan +2 more 2003-01-07 $16,905,000