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Cohu, Inc. (COHU)

Nasdaq: COHU · Instruments For Meas & Testing of Electricity & Elec Signals · Poway, 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

126 patents granted to the 8 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 Cohu, Inc.’s names, not what it holds today.

Patents granted
126
125 utility, 1 reissue, 1976 to Dec 31, 2025
Granted in 2025
5
Against 6 in 2024 and 5 in 2023
Applications published
115
4 of them in 2025
Names they are printed under
8
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
Measurement13
Other special machines6
Telecommunications3
Semiconductors2
Audio-visual technology1
Handling1
Control1
Computer technology1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name8 counted
Delta Design, Inc. a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in VG)
79 granted
53 published
Xcerra Corporation a subsidiary
US, as the owner printed on each patent
32 granted
8 published
ISMECA SEMICONDUCTOR HOLDING SA a subsidiary
CH, as the owner printed on each patent
12 granted
22 published
XCERRA CORPORATION a subsidiary
named as the applicant on its applications, in US
0 granted
25 published
Delta Design, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
3 published
ISMECA SEMICONDUCTOR HOLDING SA a subsidiary
named as the applicant on its applications, in CH
0 granted
3 published
Equiptest Engineering Pte Ltd a subsidiary
SG, as the owner printed on each patent
1 granted
1 published
Ismeca Europe Semiconductor SA a subsidiary
CH, as the owner printed on each patent
2 granted
0 published
Names not counted (4)
LTX-Credence Sdn BhD.
Most of its patents print US; this name counts in JP, MY. 6 granted and 8 published under it are not counted.
COHU INC
Most of its patents print DE; this name counts in US. 6 granted and 6 published under it are not counted.
COHU INC
Most of its patents print DE; this name counts in US. 0 granted and 8 published under it are not counted.
LTX-Credence Sdn BhD.
Most of its patents print US; this name counts in JP, MY. 0 granted and 8 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Dec 16, 202512,498,395System and method for attenuating and/or terminating RF circuitTelecommunicationsXcerra Corporation
Nov 11, 202512,469,725Method for determining corrective film pattern to reduce semiconductor wafer bowComputer technologyDelta Design, Inc.
Jun 24, 202512,339,637Optimizing semiconductor manufacturing processes using machine learningControlDelta Design, Inc.
Jun 17, 202512,334,988Reflective and interference controlled absorptive contactorTelecommunicationsXcerra Corporation
May 27, 202512,313,650Multi-beam cantilever style contact pin for IC testingMeasurementEquiptest Engineering Pte Ltd
Nov 12, 202412,140,625Alignment mechanismSemiconductorsDelta Design, Inc.
Oct 22, 202412,123,897Dielectric resonating test contactor and methodMeasurementXcerra Corporation
Oct 8, 202412,111,343Coaxial probeMeasurementXcerra Corporation
Jul 23, 202412,044,726Calibration systemMeasurementXcerra Corporation
Jun 4, 202412,000,884Integrated circuit testing device with coupled control of thermal systemMeasurementDelta Design, Inc.
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Dec 18, 20252025/0383645OPTIMIZING SEMICONDUCTOR MANUFACTURING PROCESSES USING MACHINE LEARNINGControlDelta Design, Inc.
Oct 30, 20252025/0334628APPARATUSES AND METHODS FOR TESTING ELECTRONIC DEVICESMeasurementDelta Design, Inc.
Oct 16, 20252025/0321247REPLACEABLE INSULATOR COLLARS FOR SEMICONDUCTOR TEST SYSTEMSMeasurementXCERRA CORPORATION
Oct 9, 20252025/0314695TEST PROBE ASSEMBLY FOR HIGH FREQUENCY DEVICE CHARACTERIZATIONMeasurementXCERRA CORPORATION
Feb 22, 20242024/0061036ALIGNMENT MECHANISMSemiconductorsDelta Design, Inc. · patent 12,140,625 granted from it
Nov 2, 20232023/0349949MULTI-BEAM CANTILEVER STYLE CONTACT PIN FOR IC TESTINGMeasurementEquiptest Engineering Pte Ltd · patent 12,313,650 granted from it
Aug 3, 20232023/0243869SYSTEM AND METHOD FOR ATTENUATING AND/OR TERMINATING RF CIRCUITTelecommunicationsXcerra Corporation · patent 12,498,395 granted from it
Jan 26, 20232023/0024755REFLECTIVE AND INTERFERENCE CONTROLLED ABSORPTIVE CONTACTORTelecommunicationsXCERRA CORPORATION · patent 12,334,988 granted from it
Jan 5, 20232023/0003786TEMPERATURE CONTROL SYSTEM INCLUDING CONTACTOR ASSEMBLYMeasurementDelta Design, Inc. · patent 11,774,486 granted from it
Nov 3, 20222022/0349937Calibration SystemMeasurementXCERRA CORPORATION · patent 12,044,726 granted from it
What it applied for, 2024 to 2025: Measurement 3 · Semiconductors 1 · Control 1.

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 COHU · research, not advice