Company Analysis

Corning Incorporated (GLW)

NYSE: GLW · Drawing & Insulating of Nonferrous Wire · Corning, NY · filing with the SEC since 1994
Grade6.9
◀ Past 6.7● Present 6.9▶ Future 7.1

Patents

US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026

9,126 patents granted to the 24 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Corning Incorporated’s names, not what it holds today.

Patents granted
9,126
8,975 utility, 110 design, 41 reissue, 1976 to Dec 31, 2025
Granted in 2025
411
Against 528 in 2024 and 550 in 2023
Applications published
7,215
446 of them in 2025
Names they are printed under
24
its own name, a subsidiary
By yearGrantedApplications published
'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Optics645
Materials, metallurgy614
Other special machines225
Surface technology, coating142
Electrical machinery, apparatus, energy99
Telecommunications68
Semiconductors68
Machine tools67
Digital communication66
Measurement61
Biotechnology57
Environmental technology48
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name24 counted
CORNING INCORPORATED its own name
US, as the owner printed on each patent. 9 more under the same name are not counted (printed in GB)
7,300 granted
790 published
CORNING INCORPORATED its own name
named as the applicant on its applications, in US
0 granted
4,462 published
CORNING OPTICAL COMMUNICATIONS RF LLC a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in IL)
834 granted
60 published
CORNING RESEARCH & DEVELOPMENT CORPORATION a subsidiary
named as the applicant on its applications, in US
0 granted
734 published
Corning Optical Communications LLC a subsidiary
named as the applicant on its applications, in US
0 granted
643 published
CORNING RESEARCH & DEVELOPMENT CORPORATION a subsidiary
US, as the owner printed on each patent
492 granted
8 published
US Conec Ltd. a subsidiary
US, as the owner printed on each patent
198 granted
34 published
US Conec Ltd. a subsidiary
named as the applicant on its applications, in US
0 granted
191 published
Corning Precision Materials Co., Ltd. a subsidiary
KR, as the owner printed on each patent
77 granted
69 published
Alliance Fiber Optic Products, Inc. a subsidiary
US, as the owner printed on each patent. 14 more under the same name are not counted (printed in TW)
121 granted
19 published
EUROKERA S.N.C. a subsidiary
FR, as the owner printed on each patent
59 granted
66 published
Corning Optical Communications RF LLC a subsidiary
named as the applicant on its applications, in US
0 granted
58 published
HEMLOCK SEMICONDUCTOR CORPORATION a subsidiary
US, as the owner printed on each patent
30 granted
6 published
Alliance Fiber Optic Products, Inc. a subsidiary
named as the applicant on its applications, in US. 9 more under the same name are not counted (printed in TW)
0 granted
24 published
Hemlock Semiconductor Corporation a subsidiary
named as the applicant on its applications, in US
0 granted
16 published
EUROKERA S.N.C. a subsidiary
named as the applicant on its applications, in FR
0 granted
14 published
Corning Precision Materials Co., Ltd. a subsidiary
named as the applicant on its applications, in KR
0 granted
11 published
HEMLOCK SEMICONDUCTOR OPERATIONS LLC a subsidiary
US, as the owner printed on each patent
9 granted
1 published
Hemlock Semiconductor Operations LLC a subsidiary
named as the applicant on its applications, in US
0 granted
4 published
Corning Japan K.K. a subsidiary
JP, as the owner printed on each patent
2 granted
1 published
Samsung Corning Advanced Glass, LLC a subsidiary
KR, as the owner printed on each patent
2 granted
1 published
CORNING OPTICAL FIBER CABLE (CHENGDU) CO. LTD a subsidiary
named as the applicant on its applications, in CN. 1 more under the same name are not counted (printed in US)
0 granted
2 published
Corning-Tropel a subsidiary
US, as the owner printed on each patent
1 granted
1 published
Axygen, Inc. a subsidiary
US, as the owner printed on each patent
1 granted
0 published
Names not counted (3)
CORNING INC /NY
Most of its patents print FR; this name counts in US. 29 granted and 0 published under it are not counted.
CORNING INC /NY
No country is printed for it. 0 granted and 11 published under it are not counted.
Mediatech, Inc.
Most of its patents print KR; this name counts in US. 0 granted and 1 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Dec 30, 202512,510,720Connection interface for fiber optic cable assemblies and method of making such cable assembliesOpticsCORNING RESEARCH & DEVELOPMENT CORPORATION
Dec 30, 202512,510,718Fiber optic assembly with connectorized midplaneOpticsCORNING RESEARCH & DEVELOPMENT CORPORATION
Dec 30, 202512,510,703Light coupling device for coupling light into a display panelOpticsCORNING INCORPORATED
Dec 30, 202512,509,388Iron- and manganese-doped tungstate and molybdate glass and glass-ceramic articlesMaterials, metallurgyCORNING INCORPORATED
Dec 30, 202512,509,384Substrate processing station for laser-based machining of sheet-like glass substratesMachine toolsCORNING INCORPORATED
Dec 30, 202512,508,798Laminated panes and windows formed therewithSurface technology, coatingCORNING INCORPORATED
Dec 30, 202512,508,207Container closure system and sealing assemblies for maintaining seal integrity at low storage temperaturesMedical technologyCORNING INCORPORATED
Dec 23, 202512,507,593Substrate thinning process using temporary bond with low thickness variationSemiconductorsCORNING INCORPORATED
Dec 23, 202512,504,597Cam-based force-controlled system for seal activationOpticsCORNING RESEARCH & DEVELOPMENT CORPORATION
Dec 16, 202512,498,522Compact dual polarization couplers for multi-core optical fibersOpticsCORNING INCORPORATED
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Dec 25, 20252025/0393147FOLDABLE APPARATUS, RIBBONS, AND METHODS OF MAKINGSurface technology, coatingCORNING INCORPORATED
Dec 25, 20252025/0389906Data Center Interconnect for Optical Trunk Cables Having Miniature Multi-fiber FerrulesOpticsUS Conec Ltd.
Dec 25, 20252025/0388753POLYMER COMPOSITIONS COMPRISING ALKYL SILICONE AND ARTICLES FORMED FROM SAMEMacromolecular chemistry, polymersCORNING INCORPORATED
Dec 25, 20252025/0388509METHOD FOR MANUFACTURING A GLASS-CERAMIC ARTICLEMaterials, metallurgyEUROKERA S.N.C.
Dec 25, 20252025/0388506FRACTURE RESISTANT GLASS-BASED ARTICLESMaterials, metallurgyCORNING INCORPORATED
Dec 18, 20252025/0383145MANUFACTURING LINE, PROCESS, AND SINTERED ARTICLEMaterials, metallurgyCORNING INCORPORATED
Dec 18, 20252025/0382473DURABLE ANTI-REFLECTIVE ARTICLESMaterials, metallurgyCORNING INCORPORATED
Dec 18, 20252025/0382218LIGHT WEIGHT SUBSTRATE WITH GLASS BUBBLE SKELETON HAVING MIXED POROSITY FOR CARBON CAPTURE AND METHOD OF MAKINGMaterials, metallurgyCORNING INCORPORATED
Dec 18, 20252025/0382216GLASSES WITH LOW EXCESS MODIFIER CONTENTMaterials, metallurgyCORNING INCORPORATED
Dec 18, 20252025/0381523WALL-FLOW FILTER AND METHODS FOR INHIBITING RELEASE OF VERY FINE NANO-PARTICLES IN EXHAUST EMISSIONSEnvironmental technologyCORNING INCORPORATED
What it applied for, 2024 to 2025: Optics 350 · Materials, metallurgy 242 · Other special machines 97 · Surface technology, coating 46 · Electrical machinery, apparatus, energy 31 · Biotechnology 28.

A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.

SI Assistanton GLW · research, not advice