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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Glass

Glass Patent Leaders in 2023 2023

Primary CPC class C03 · Section C

Rankings count each patent once by its primary Cooperative Patent Classification. All-time pages aggregate the full database; year pages use patent grant year.

Recent years: 2016201720182019202020212022202320242025

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 580 patents in 2023.peak 5801996: 305 patents19961997: 371 patents1998: 456 patents1999: 519 patents19992000: 420 patents2001: 496 patents2002: 537 patents20022003: 541 patents2004: 504 patents2005: 366 patents20052006: 392 patents2007: 302 patents2008: 281 patents20082009: 330 patents2010: 475 patents2011: 464 patents20112012: 511 patents2013: 466 patents2014: 560 patents20142015: 499 patents2016: 523 patents2017: 568 patents20172018: 467 patents2019: 565 patents2020: 565 patents20202021: 507 patents2022: 574 patents2023: 580 patents20232024: 572 patents2025: 546 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Charlene Marie Smith 18 Corning Incorporated
2 Xiaoju Guo 17 Corning Incorporated
3 Timothy Michael Gross 16 Corning Incorporated
#4 Peter Joseph Lezzi 15 Corning Incorporated
#5 Qiang Fu 12 Corning Incorporated
#6 Matthew John Dejneka 11 Corning Incorporated
#7 Rostislav Vatchev Roussev 10 Corning Incorporated
#8 George Halsey Beall 9 Corning Incorporated
#9 Jian Luo 8 Corning Incorporated
#10 Karl William Koch, III 8 Corning Incorporated
#11 Nikolaos Pantelis Kladias 8 Corning Incorporated
#12 Qing Li 8 Agc
#13 Yuhui Jin 8 Corning Incorporated
#14 Jill Marie Hall 7 Corning Incorporated
#15 Rohit Rai 7 Corning Incorporated
#16 Chunfeng Zhou 6 Corning Incorporated
#17 Jason Thomas Harris 6 Corning Incorporated
#18 Jesse Kohl 6 Corning Incorporated
#19 John Christopher Mauro 6 Corning Incorporated
#20 Liping Xiong Smith 6 Corning Incorporated
#21 Ljerka Ukrainczyk 6 Corning Incorporated
#22 Nicole Taylor Wiles 6 Corning Incorporated
#23 Vitor Marino Schneider 6 Corning Incorporated
#24 Adam James Ellison 5 Corning Incorporated
#25 Alexandra Lai Ching Kao Andrews Mitchell 5 Corning Incorporated
#26 Eriko Maeda 5 Agc
#27 Guangli Hu 5 Corning Incorporated
#28 Lihong Wang 5 Washington University
#29 Suguru Murayama 5 Agc
#30 Volker Trinks 5 Schott Ag
#31 Zheming Zheng 5 Corning Incorporated
#32 André Witzmann 4 Schott Ag
#33 Christopher Scott Thomas 4 Corning Incorporated
#34 Dongcheng Yan 4 Tunghsu Group Co.
#35 Guangtao Zhang 4 Tunghsu Group Co.
#36 Hoi Kwan LEE 4 Samsung
#37 James Joseph Price 4 Corning Incorporated
#38 John Philip Finkeldey 4 Corning Incorporated
#39 John Robert Saltzer, JR. 4 Corning Incorporated
#40 Kazutaka Ono 4 Agc
#41 Lisa Ann Lamberson 4 Corning Incorporated
#42 Lina Ma 4 Corning Incorporated
#43 Mathieu Hubert 4 Aktiebolaget Skf
#44 Michael J. Messerly 4 Lawrence Livermore National Security
#45 Natesan Venkataraman 4 Corning Incorporated
#46 Robert Clark Moore 4 Corning Incorporated
#47 Robert Michael Morena 4 Corning Incorporated
#48 Robert Anthony Schaut 4 Corning Incorporated
#49 Seung Ho Kim 4 Samsung
#50 Shandon Dee Hart 4 Corning Incorporated
#51 Sinue Gomez 4 Corning Incorporated
#52 Steven Bruce Dawes 4 Corning Incorporated
#53 Steven Edward DeMartino 4 Corning Incorporated
#54 Timothy James Kiczenski 4 Corning Incorporated
#55 Vladislav Yuryevich Golyatin 4 Corning Incorporated
#56 Adama Tandia 3 Corning Incorporated
#57 Allan Mark Fredholm 3 Corning Incorporated
#58 Alexander I Priven 3 Corning Incorporated
#59 Antoine Gaston Denis Bisson 3 Corning Incorporated
#60 Andrew Peter Kittleson 3 Corning Incorporated
#61 Andreas Ortner 3 Schott Ag
#62 Atul Kumar 3 Corning Incorporated
#63 Aya Nakamura 3 Nippon Sheet Glass Company, Limited
#64 Baoping YUAN 3 Cdgm Glass Co.
#65 Bradley Kent Shepard 3 Corning Incorporated
#66 Carol A. Click 3 Owens-Brockway Glass Container
#67 Charles Andrew Paulson 3 Corning Incorporated
#68 Dana Craig Bookbinder 3 Corning Incorporated
#69 Dale Robert Powers 3 Corning Incorporated
#70 Denis Guimard 3 Saint-Gobain Glass France
#71 Frank-Thomas Lentes 3 Schott Ag
#72 Gaozhu Peng 3 Corning Incorporated
#73 Gerard DEMOTT 3 Knauf Insulation Sprl
#74 Heather Debra Boek 3 Corning Incorporated
#75 Jaymin Amin 3 Corning Incorporated
#76 James R. Wilson 3 Apple
#77 Jingshi Wu 3 Corning Incorporated
#78 Joël Bellemin 3 Saint-Gobain Glass France
#79 Joshua James McCaslin 3 Corning Incorporated
#80 Johann Skolski 3 Saint-Gobain Glass France
#81 Junfeng Wang 3 Sichuan University
#82 Kaveh Adib 3 Corning Incorporated
#83 Kai Huei Chang 3 Heraeus Quartz North America
#84 Kazuki KANEHARA 3 Agc
#85 Kenji Imakita 3 Agc
#86 Kevin Barry Reiman 3 Corning Incorporated
#87 KOHEI OGASAWARA 3 Ohara
#88 Kochuparambil Deenamma Vargheese 3 Corning Incorporated
#89 Marie Jacqueline Monique Comte 3 Corning Incorporated
#90 Mario Arturo MANNHEIM ASTETE 3 Agp America S.A.
#91 Matthew S. Rogers 3 Apple
#92 Matthew Daniel Trosa 3 Corning Incorporated
#93 Mark Owen Weller 3 Corning Incorporated
#94 Melinda Ann Drake 3 Corning Incorporated
#95 Nadja Teresia Lönnroth 3 Corning Incorporated
#96 Pascale Oram 3 Corning Incorporated
#97 Prantik Mazumder 3 Corning Incorporated
#98 Pushkar Tandon 3 Corning Incorporated
#99 Qiulin Ma 3 Heraeus Quartz North America
#100 Quan Zheng 3 Tunghsu Group Co.

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Corning Incorporated 185
2 Agc 28
3 Schott Ag 25
#4 Nippon Electric Glass Co. 19
#5 Samsung 15
#6 Owens-Brockway Glass Container 11
#7 Saint-Gobain Glass France 11
#8 Shin-Etsu Chemical Co. 8
#9 Sumitomo Electric Industries 8
#10 Apple 7
#11 Furukawa Electric Co. 7
#12 LG 7
#13 Saint-Gobain Isover 6
#14 Tunghsu Group Co. 6
#15 Tunghsu Technology Group Co. 5
#16 Fujikura 4
#17 Heraeus Quartz North America 4
#18 Jiangsu Riyu Photovoltaic New Material Technology Co. 4
#19 Lawrence Livermore National Security 4
#20 Nitto Boseki Co. 4
#21 Pilkington Group Limited 4
#22 Schott Pharma Schweiz Ag 4
#23 Vitro Flat Glass 4
#24 3M 3
#25 Agc Glass Europe 3
#26 Agp America S.A. 3
#27 Cdgm Glass Co. 3
#28 Glaston Finland Oy 3
#29 Heraeus Quarzglas 3
#30 Johns Manville 3
#31 Nippon Sheet Glass Company, Limited 3
#32 Ohara 3
#33 US Navy 3
#34 Uti 3
#35 Arc France 2
#36 Daejoo Electronic Materials Co. 2
#37 Docter Optics Se 2
#38 Electric Glass Fiber America 2
#39 Emhart Glass S.A. 2
#40 Gerresheimer Bünde Gmbh 2
#41 Gerresheimer Regensburg Gmbh 2
#42 Guardian Glass 2
#43 KFUPM 2
#44 Knauf Insulation Sprl 2
#45 Lyten 2
#46 Nantong T-Sun New Energy Co. 2
#47 Nipro 2
#48 No.59 Institute Of China Ordnance Industry 2
#49 Prysmian S.P.A. 2
#50 Schott Pharma Ag & Co. Kgaa 2
#51 Shenzhen University 2
#52 Shin-Etsu Quartz Products Co. 2
#53 Thermal Ceramics Uk Limited 2
#54 US Air Force 2
#55 Unitika 2
#56 Unitika Glass Fiber Co. 2
#57 University Of Central Florida 2
#58 Google 2
#59 Panasonic 2
#60 Applied Materials 1
#61 1824930 Alberta 1
#62 3Sae Technologies 1
#63 Abb Schweiz Ag 1
#64 Agfa-Gevaert Nv 1
#65 Agy Holding 1
#66 Anheuser-Busch Inbev S.A. 1
#67 Asml Netherlands B.V. 1
#68 Bando Kiko Co. 1
#69 Beijing Boe Display Technology Co. 1
#70 Beijing University Of Technology 1
#71 Xiaomi 1
#72 Bottero S.P.A. 1
#73 Changxin Memory Technologies 1
#74 China Building Materials Academy Co. 1
#75 China University Of Petroleum (East China) 1
#76 Chongqing Aureavia Hi-Tech Glass Co. 1
#77 CEA 1
#78 Corning Laser Technologies Gmbh 1
#79 Corning Research & Development 1
#80 Covestro Intellectual Property 1
#81 Covestro (Netherlands) B.V. 1
#82 Crossject 1
#83 Daikin Industries 1
#84 Dal-Tile 1
#85 Danbury Mission Technologies 1
#86 Duke University 1
#87 Entegris 1
#88 Eurokera S.N.C. 1
#89 Ferro 1
#90 Furcifer 1
#91 Ged Integrated Solutions 1
#92 Glasstech 1
#93 Guardian Europe S.A.R.L. 1
#94 Halliburton Energy Services 1
#95 Hanwha Aerospace Co. 1
#96 Harris 1
#97 H.C. Starck Solutions Coldwater 1
#98 Hkc Corporation Limited 1
#99 Hong Kong Baptist University 1
#100 Institució Catalana De Recerca I Estudis Avancats 1