Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert W. Walters — 57 Patents

Comcast: 32 patents #108 of 4,447Top 3%
POPpg Industries Ohio: 9 patents #161 of 1,316Top 15%
UCUniversity Of Southern California: 9 patents #66 of 1,826Top 4%
Murrysville, PA: #6 of 521 inventorsTop 2%
Pennsylvania: #519 of 74,527 inventorsTop 1%
Overall (All Time): #42,642 of 4,157,543Top 2%
57 Patents All Time
Robert W. Walters has been granted 57 US patents while listed as an inventor at Comcast. The first was granted in 2000 and the most recent in September 2025. Robert W. Walters ranks #42,642 of 4,157,543 US inventors in our database (top 1.0%). Patent records list Robert W. Walters in Murrysville, PA, US.

Issued Patents All Time

Showing 1–25 of 57 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12404448 Dihydroquinoline photochromic compounds Jun Deng, Shengwen Yuan 2025-09-02
12304991 Photochromic article Joseph D. Turpen, Elizabeth A. Zezinka, Emily Amond, Anu Chopra, Michael Frank Haley +6 more 2025-05-20
12171138 Organic electroluminescent materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Cory S. Brown, Jun Deng 2024-12-17 $15,242,000
11746283 Silole and germole fused ring photochromic compounds Ryan Stayshich 2023-09-05
11618756 Compounds for coordinating with a metal, compositions containing such compounds, and methods of catalyzing reactions Scott J. Moravek, Sujit Mondal, Ian Michael Jones, Anthony Thomas Gestrich 2023-04-04 $179,050,000
11518751 Photochromic indeno-fused naphthopyran compounds with reduced temperature dependence Chien-Yang Chiu, Anu Chopra, Darrin R. Dabideen, Sujit Mondal, Nick J. Parise +1 more 2022-12-06
11404650 Stability OLED materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Cory S. Brown, Jun Deng 2022-08-02 $27,061,000
10978649 Organic electroluminescent materials and devices David B. Knowles, Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Scott Beers +2 more 2021-04-13 $19,239,000
10749121 Organic electroluminescent materials and devices David B. Knowles, Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Scott Beers +2 more 2020-08-18 $13,555,000
10501477 Photochromic thienochromene compounds Jun Deng, Brian R. Stepp, Eric Spitler, Wenjing Xiao, Massimiliano Tomasulo 2019-12-10
10403831 Organic electroluminescent materials and devices David B. Knowles, Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Scott Beers +2 more 2019-09-03 $20,249,000
10381579 Stability OLED materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Cory S. Brown, Jun Deng 2019-08-13 $38,838,000
10158090 Organic electroluminescent materials and devices David B. Knowles, Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Scott Beers +2 more 2018-12-18 $29,075,000
9893306 Organic electroluminescent materials and devices David B. Knowles, Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Scott Beers +2 more 2018-02-13 $85,503,000
9722193 Organic electroluminescent materials and devices David B. Knowles, Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Scott Beers +2 more 2017-08-01 $62,956,000
9548462 Organic electroluminescent materials and devices David B. Knowles, Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Scott Beers +2 more 2017-01-17 $13,320,000
9281483 Organic electroluminescent materials and devices David B. Knowles, Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Scott Beers +2 more 2016-03-08 $25,249,000
9128343 Method of making an optical element having an electrochromic apodized aperture Forrest R. Blackburn, Jonathan Bork, John Charny, Stefan C. Dehaseth, Peter C. Foller +4 more 2015-09-08 $89,193,000
9065063 Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof David B. Knowles, Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Scott Beers +2 more 2015-06-23 $7,520,000
9051344 Stability OLED materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Cory S. Brown, Jun Deng 2015-06-09 $5,647,000
9028728 Photochromic materials that include indeno-fused naphthopyrans Kevin E. Bancroft, Anu Chopra, Xiao-Man Dai, Beon-Kyu Kim, David B. Knowles +8 more 2015-05-12
8889864 Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof David B. Knowles, Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Scott Beers +2 more 2014-11-18 $13,120,000
8766529 Metal complexes of cyclometallated imidazo[1,2-ƒ]phenanthridine and diimidazo[1,2-a:1',2'-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof David B. Knowles, Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Scott Beers +2 more 2014-07-01 $3,009,000
8734033 Optical mechanism with indexing stage with at least one fixed diameter apodized aperture and method of making same Robert H. Tang, Kevin W. Seybert, Forrest R. Blackburn 2014-05-27 $44,353,000
8691988 Metal complexes of cyclometallated imidazo (1,2-f) phenanthridine (1,2-a:1′, 2′-c),quinazoline ligands and isoelectronic and benzannulated analogs thereof David B. Knowles, Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Scott Beers +2 more 2014-04-08 $7,957,000