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 publishedCORNING INCORPORATED its own name
named as the applicant on its applications, in US
0 granted
4,462 publishedCORNING 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 publishedCORNING RESEARCH & DEVELOPMENT CORPORATION a subsidiary
named as the applicant on its applications, in US
0 granted
734 publishedCorning Optical Communications LLC a subsidiary
named as the applicant on its applications, in US
0 granted
643 publishedCORNING RESEARCH & DEVELOPMENT CORPORATION a subsidiary
US, as the owner printed on each patent
492 granted
8 publishedUS Conec Ltd. a subsidiary
US, as the owner printed on each patent
198 granted
34 publishedUS Conec Ltd. a subsidiary
named as the applicant on its applications, in US
0 granted
191 publishedCorning Precision Materials Co., Ltd. a subsidiary
KR, as the owner printed on each patent
77 granted
69 publishedAlliance 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 publishedEUROKERA S.N.C. a subsidiary
FR, as the owner printed on each patent
59 granted
66 publishedCorning Optical Communications RF LLC a subsidiary
named as the applicant on its applications, in US
0 granted
58 publishedHEMLOCK SEMICONDUCTOR CORPORATION a subsidiary
US, as the owner printed on each patent
30 granted
6 publishedAlliance 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 publishedHemlock Semiconductor Corporation a subsidiary
named as the applicant on its applications, in US
0 granted
16 publishedEUROKERA S.N.C. a subsidiary
named as the applicant on its applications, in FR
0 granted
14 publishedCorning Precision Materials Co., Ltd. a subsidiary
named as the applicant on its applications, in KR
0 granted
11 publishedHEMLOCK SEMICONDUCTOR OPERATIONS LLC a subsidiary
US, as the owner printed on each patent
9 granted
1 publishedHemlock Semiconductor Operations LLC a subsidiary
named as the applicant on its applications, in US
0 granted
4 publishedCorning Japan K.K. a subsidiary
JP, as the owner printed on each patent
2 granted
1 publishedSamsung Corning Advanced Glass, LLC a subsidiary
KR, as the owner printed on each patent
2 granted
1 publishedCORNING 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 publishedCorning-Tropel a subsidiary
US, as the owner printed on each patent
1 granted
1 publishedAxygen, 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
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Dec 30, 2025 | 12,510,720 | Connection interface for fiber optic cable assemblies and method of making such cable assemblies | Optics | CORNING RESEARCH & DEVELOPMENT CORPORATION |
| Dec 30, 2025 | 12,510,718 | Fiber optic assembly with connectorized midplane | Optics | CORNING RESEARCH & DEVELOPMENT CORPORATION |
| Dec 30, 2025 | 12,510,703 | Light coupling device for coupling light into a display panel | Optics | CORNING INCORPORATED |
| Dec 30, 2025 | 12,509,388 | Iron- and manganese-doped tungstate and molybdate glass and glass-ceramic articles | Materials, metallurgy | CORNING INCORPORATED |
| Dec 30, 2025 | 12,509,384 | Substrate processing station for laser-based machining of sheet-like glass substrates | Machine tools | CORNING INCORPORATED |
| Dec 30, 2025 | 12,508,798 | Laminated panes and windows formed therewith | Surface technology, coating | CORNING INCORPORATED |
| Dec 30, 2025 | 12,508,207 | Container closure system and sealing assemblies for maintaining seal integrity at low storage temperatures | Medical technology | CORNING INCORPORATED |
| Dec 23, 2025 | 12,507,593 | Substrate thinning process using temporary bond with low thickness variation | Semiconductors | CORNING INCORPORATED |
| Dec 23, 2025 | 12,504,597 | Cam-based force-controlled system for seal activation | Optics | CORNING RESEARCH & DEVELOPMENT CORPORATION |
| Dec 16, 2025 | 12,498,522 | Compact dual polarization couplers for multi-core optical fibers | Optics | CORNING INCORPORATED |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Dec 25, 2025 | 2025/0393147 | FOLDABLE APPARATUS, RIBBONS, AND METHODS OF MAKING | Surface technology, coating | CORNING INCORPORATED |
| Dec 25, 2025 | 2025/0389906 | Data Center Interconnect for Optical Trunk Cables Having Miniature Multi-fiber Ferrules | Optics | US Conec Ltd. |
| Dec 25, 2025 | 2025/0388753 | POLYMER COMPOSITIONS COMPRISING ALKYL SILICONE AND ARTICLES FORMED FROM SAME | Macromolecular chemistry, polymers | CORNING INCORPORATED |
| Dec 25, 2025 | 2025/0388509 | METHOD FOR MANUFACTURING A GLASS-CERAMIC ARTICLE | Materials, metallurgy | EUROKERA S.N.C. |
| Dec 25, 2025 | 2025/0388506 | FRACTURE RESISTANT GLASS-BASED ARTICLES | Materials, metallurgy | CORNING INCORPORATED |
| Dec 18, 2025 | 2025/0383145 | MANUFACTURING LINE, PROCESS, AND SINTERED ARTICLE | Materials, metallurgy | CORNING INCORPORATED |
| Dec 18, 2025 | 2025/0382473 | DURABLE ANTI-REFLECTIVE ARTICLES | Materials, metallurgy | CORNING INCORPORATED |
| Dec 18, 2025 | 2025/0382218 | LIGHT WEIGHT SUBSTRATE WITH GLASS BUBBLE SKELETON HAVING MIXED POROSITY FOR CARBON CAPTURE AND METHOD OF MAKING | Materials, metallurgy | CORNING INCORPORATED |
| Dec 18, 2025 | 2025/0382216 | GLASSES WITH LOW EXCESS MODIFIER CONTENT | Materials, metallurgy | CORNING INCORPORATED |
| Dec 18, 2025 | 2025/0381523 | WALL-FLOW FILTER AND METHODS FOR INHIBITING RELEASE OF VERY FINE NANO-PARTICLES IN EXHAUST EMISSIONS | Environmental technology | CORNING 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.