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

Alan C. Thomas — 27 Patents

IBM: 12 patents #9,258 of 70,183Top 15%
LMLightscape Materials: 5 patents #4 of 10Top 40%
Infineon Technologies Ag: 5 patents #1,759 of 7,486Top 25%
Dow Global Technologies: 3 patents #1,458 of 4,534Top 35%
WPWorld Properties: 3 patents #11 of 86Top 15%
DUDurel: 2 patents #16 of 35Top 50%
EMEie Materials: 2 patents #6 of 8Top 75%
TRThe Arizona Board Of Regents: 1 patents #129 of 428Top 35%
RORogers: 1 patents #106 of 245Top 45%
Yardley, PA: #46 of 643 inventorsTop 8%
Pennsylvania: #2,173 of 74,527 inventorsTop 3%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Alan C. Thomas has been granted 27 US patents while listed as an inventor at IBM. The first was granted in 1989 and the most recent in November 2020. Alan C. Thomas ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Alan C. Thomas in Yardley, PA, US.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10832971 Fabricating tapered semiconductor devices Rajasekhar Venigalla, Ravikumar Ramachandran, Albert M. Chu, Kafai Lai 2020-11-10 $848,000
10748823 Embedded etch rate reference layer for enhanced etch time precision Yann Mignot, Daniel P. Sanders, Dario L. Goldfarb, Nelson Felix, Chi-Chun Liu +1 more 2020-08-18 $3,155,000
10174242 Coated thioaluminate phosphor particles Yuming Xie, Jonathan Melman, Robert Nordsell 2019-01-08
10177287 Gamut broadened displays with narrow band green phosphors Jonathan Melman, Robert Nordsell, Kristen Baroudi, Yong Bok Go, Eric Bretschneider +1 more 2019-01-08
9315725 Method of making EU2+ activated inorganic red phosphor Michael Dennis Romanelli, Mary Anne Leugers, Yongchi Tian 2016-04-19
9200199 Inorganic red phosphor and lighting devices comprising same Michael Dennis Romanelli, Mary Anne Leugers, Yongchi Tian 2015-12-01
9200198 Inorganic phosphor and light emitting devices comprising same Michael Dennis Romanelli, Mary Anne Leugers, Yongchi Tian 2015-12-01
8801969 Carbonitride and carbidonitride phosphors and lighting devices using the same Yuanqiang Li, Yongchi Tian 2014-08-12
8421755 Capacitive touch sensor with integral EL backlight Mark A. Seelhammer, David G. Pires, Walter J. Paciorek 2013-04-16
8242525 Silicate-based phosphors and LED lighting devices using the same Yongchi Tian, Perry Niel Yocom, Olga Zakharov, Alison Sides 2012-08-14
7742125 Light switch having plural shutters Walter J. Paciorek 2010-06-22
7255844 Systems and methods for synthesis of gallium nitride powders Fernando A. Ponce, Rafael Garcia, Abigail Bell, Michael R. Stevens 2007-08-14
7238535 Test cell for evaluating phosphor Karen Ruth Brower, Roy Scott Chancellor, William A. Coghlan, Will M. Hooke, Curtis Henry Kempton 2007-07-03
6842222 Method of reducing pitch on semiconductor wafer Gerhard Kunkel, Shahid Butt, Juergen Preuninger 2005-01-11 $46,000
6787988 Process for treating previously coated phosphor particles 2004-09-07
6611109 Infrared emitting EL lamp Charles I. Zovko 2003-08-26
6594817 Reticle exposure matrix John T. Federico, Perry G. Hartswick 2003-07-15 $18,764,000
6451508 Plural interleaved exposure process for increased feature aspect ratio in dense arrays Scott Bukofsky, Gerhard Kunkel 2002-09-17
6436585 Method of using optical proximity effects to create electrically blown fuses with sub-critical dimension neck downs Chandrasekhar Narayan, Axel Brintzinger, Fred L. Einspruch, Henning Haffner 2002-08-20
6427090 Requalification controller for durables John T. Federico, Perry G. Hartswick, Anne Marie Pelella 2002-07-30 $10,205,000
6420101 Method of reducing post-development defects in and around openings formed in photoresist by use of non-patterned exposure Zhijian Lu, Alois Gutmann, Kuang-Jung Chen, Margaret C. Lawson 2002-07-16
6372408 Method of reducing post-development defects in and around openings formed in photoresist by use of multiple development/rinse cycles Zhijian Lu, Alois Gutmann, Kuang-Jung Chen, Margaret C. Lawson 2002-04-16
6303275 Method for resist filling and planarization of high aspect ratio features Robert A. Coles, John W. Golz, Qinghuang Lin, Christopher J. Waskiewicz, Teresa J. Wu 2001-10-16 $28,845,000
6268907 Elimination of standing waves in photoresist Donald J. Samuels 2001-07-31 $29,242,000
5953128 Optically measurable serpentine edge tone reversed targets Christopher P. Ausschnitt, Timothy A. Brunner 1999-09-14 $25,256,000