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KLA Corporation (KLAC)

Nasdaq: KLAC · Optical Instruments & Lenses · Milpitas, CA · filing with the SEC since 1994
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Patents

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

2,631 patents granted to the 25 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 KLA Corporation’s names, not what it holds today.

Patents granted
2,631
2,624 utility, 4 design, 3 reissue, 1976 to Dec 31, 2025
Granted in 2025
92
Against 108 in 2024 and 139 in 2023
Applications published
2,391
168 of them in 2025
Names they are printed under
25
a former name, 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
Measurement148
Optics144
Computer technology133
Semiconductors109
Electrical machinery, apparatus, energy68
Medical technology7
Audio-visual technology7
Handling5
Control5
Surface technology, coating4
Digital communication3
Mechanical elements2
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name25 counted
KLA-TENCOR CORPORATION a former name
US, as the owner printed on each patent
1,790 granted
563 published
KLA-Tencor Corporation a former name
named as the applicant on its applications, in US
0 granted
839 published
KLA Corporation its own name
named as the applicant on its applications, in US. 1 more under the same name are not counted (printed in CA)
0 granted
664 published
KLA Corporation its own name
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in KR)
531 granted
47 published
Orbotech Ltd. a subsidiary
IL, as the owner printed on each patent. 1 more under the same name are not counted (printed in US)
149 granted
103 published
Orbotech Ltd. a subsidiary
named as the applicant on its applications, in IL. 1 more under the same name are not counted (printed in US)
0 granted
80 published
KLA INSTRUMENTS CORPORATION a former name
US, as the owner printed on each patent
47 granted
12 published
Front Edge Technology, Inc a subsidiary
US, as the owner printed on each patent
28 granted
24 published
CAPRES A/S a subsidiary
DK, as the owner printed on each patent
19 granted
8 published
Zeta Instruments, Inc. a subsidiary
US, as the owner printed on each patent
17 granted
8 published
ICOS Vision Systems NV a subsidiary
BE, as the owner printed on each patent. 1 more under the same name are not counted (printed in DE)
11 granted
4 published
KLA-Tencor MIE GmbH a subsidiary
DE, as the owner printed on each patent
7 granted
6 published
Zeta Instruments, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
12 published
VLSI Standards, Inc. a subsidiary
US, as the owner printed on each patent
11 granted
0 published
Laser Imaging Systems GmbH & Co. KG a subsidiary
DE, as the owner printed on each patent
6 granted
4 published
Anchor Semiconductor, Inc. a subsidiary
US, as the owner printed on each patent
7 granted
0 published
Nanomechanics, Inc. a subsidiary
US, as the owner printed on each patent
2 granted
4 published
Anchor Semiconductor Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
5 published
Laser Imaging Systems GmbH a subsidiary
DE, as the owner printed on each patent
4 granted
1 published
Laser Imaging Systems GmbH a subsidiary
named as the applicant on its applications, in DE. 1 more under the same name are not counted (printed in US)
0 granted
3 published
CAPRES A/S a subsidiary
named as the applicant on its applications, in DK
0 granted
2 published
Capres a subsidiary
DK, as the owner printed on each patent
1 granted
0 published
FRONT EDGE TECHNOLOGY, INC. a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
Icos Vision Systems, naamloze vennootschap a subsidiary
BE, as the owner printed on each patent
1 granted
0 published
KLA-Tencor Corporation, a Delaware Corporation a former name
US, as the owner printed on each patent
0 granted
1 published
Names not counted (1)
New System SRL
Only generic words.
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Dec 30, 202512,511,731System and method for three-dimensional imaging of samples using a machine learning algorithmComputer technologyOrbotech Ltd.
Dec 30, 202512,510,831Robust and accurate overlay target design for CMPOpticsKLA Corporation
Dec 30, 202512,510,692Protection of optical materials of optical components from radiation degradationOpticsKLA Corporation
Dec 30, 202512,510,590Metrology in the presence of CMOS under array (CuA) structures utilizing an effective medium model with physical modelingMeasurementKLA Corporation
Dec 23, 202512,504,697Single grab pupil landscape via broadband illuminationMeasurementKLA Corporation
Dec 9, 202512,494,339High resolution, multi-electron beam apparatusElectrical machinery, apparatus, energyKLA Corporation
Dec 9, 202512,493,245Enhancing efficiency of resist patterningOpticsOrbotech Ltd.
Dec 2, 202512,487,533Amplitude asymmetry measurements in overlay metrologyOpticsKLA Corporation
Dec 2, 202512,487,190System and method for isolation of specific fourier pupil frequency in overlay metrologyMeasurementKLA Corporation
Dec 2, 202512,487,175Three-dimensional imaging with enhanced resolutionMeasurementKLA Corporation
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Dec 25, 20252025/0390013DEEP-BLACK BORDERS ON EUV RETICLES WITH BLAZED GRATINGSOpticsKLA Corporation
Dec 25, 20252025/0389883Piece of Glass and Rotational Motor to Provide Variable PolarizationOpticsKLA Corporation
Dec 18, 20252025/0386098METHOD FOR FAST FOCUSING BASED ON FREQUENCY DOMAIN LINNIK INTERFEROMETRYAudio-visual technologyKLA Corporation
Dec 18, 20252025/0385066HIGH-VOLTAGE COLUMN WITH PERMANENT MAGNET LENS AND POSITIVE WAFER BIAS FOR OVERLAYElectrical machinery, apparatus, energyKLA Corporation
Dec 18, 20252025/0383610SYSTEM AND METHOD FOR OVERLAY MEASUREMENT USING DESIGN DATA AND DEEP LEARNING SEGMENTATIONOpticsKLA Corporation
Dec 18, 20252025/0383299PHYSICS AUGMENTED REGRESSION ALGORITHM FOR CRITICAL DIMENSIONS IN LARGE PITCH TARGETSMeasurementKLA Corporation
Dec 18, 20252025/0383294SPECKLE NOISE REDUCTION USING PUPIL MASKSMeasurementKLA Corporation
Dec 11, 20252025/0378376METROLOGY USING REFERENCE-BASED SYNTHETIC SPECTRAComputer technologyKLA Corporation
Dec 11, 20252025/0377574CRYSTAL WAVEGUIDE FOR FREQUENCY CONVERSIONOpticsKLA Corporation
Dec 4, 20252025/0372434Methods And Systems For Chucking Highly Bowed Semiconductor WafersSemiconductorsKLA Corporation
What it applied for, 2024 to 2025: Measurement 76 · Optics 69 · Computer technology 58 · Semiconductors 46 · Electrical machinery, apparatus, energy 33 · Machine tools 5.

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 KLAC · research, not advice