For the Inventor, By the Inventor

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Livermore, CA, United States of America

Formfactor, Inc.

USPTO Granted Patents = 508

% Expired Patents = 56.1

EPO Patents = 21

Trademarks = 3

Forward Citations = 21,909

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187 inventors (with patents filed for the assignee):

Benjamin N Eldridge (197 out of 212 patents)

Gaetan L Mathieu (153 out of 173 patents)

Igor Y Khandros (140 out of 195 patents)

4. Charles A Miller (104 out of 119 patents)

5. Gary W Grube (89 out of 664 patents)

6. David V Pedersen (39 out of 53 patents)

7. Eric D Hobbs (29 out of 48 patents)

8. Benjamin N Eldridge, Jr (27 out of 28 patents)

9. A Nicholas Sporck (19 out of 21 patents)

10. Makarand S Shinde (18 out of 18 patents)

11. John K Gritters (17 out of 19 patents)

12. Carl V Reynolds (16 out of 16 patents)

13. Keith J Breinlinger (15 out of 42 patents)

14. Thomas H Dozier, Ii (13 out of 13 patents)

15. Stuart W Wenzel (13 out of 15 patents)

Core Competencies:

Probe Systems

Wafer Handling

Electrical Testing

Vertical Probe Arrays

Carbon Nanotubes

MEMS Probe Cards

Calibration Chucks

Automated Test Routines

Thermal Conditioning

Dynamic Probe Adjustment

Imaging Devices

Multi-Conductor Probes

508 patents: Sort by Forward Citations

1. 12730143 - Probe systems and methods of operating probe systems (2026-09-08),

2. 12710450 - Abbreviated Loopback Attenuation (2026-08-18),

3. 12449445 - Remote control devices for probe systems, probe systems that include the remote control devices, and methods of remotely operating a motorized positioner of a probe system (2025-10-21),

4. 12442834 - Vertical probe array having sliding contacts in elastic guide plate (2025-10-14),

5. 12379395 - Probes, probe blades, tools for probe blades, blade holders, and probe systems for electrically testing a device under test (2025-08-05),

6. 12337467 - Wafer-handling end effectors configured to selectively lift a wafer from an upper surface of the wafer, probe systems that include the wafer-handling end effectors, and methods of utilizing the wafer-handling end effectors (2025-06-24),

7. 12306243 - Space transformers configured to be utilized in a probe system, probe systems that include the space transformers, and related methods (2025-05-20),

8. 12203959 - Methods of establishing contact between a probe tip of a probe system and a device under test, probe systems that perform the methods, and storage media that directs probe systems to perform the methods (2025-01-21),

9. 12113583 - Beamforming device testing (2024-10-08),

10. 12044704 - Method of centering probe head in mounting frame (2024-07-23),

11. 11927603 - Probes that define retroreflectors, probe systems that include the probes, and methods of utilizing the probes (2024-03-12),

12. 11874301 - Probe systems including imaging devices with objective lens isolators, and related methods (2024-01-16),

13. 11821912 - Methods of producing augmented probe system images and associated probe systems (2023-11-21),

14. 11754511 - Method and device for optically representing electronic semiconductor components (2023-09-12),

15. 11626357 - 3D electrical integration using component carrier edge connections to a 2D contact array (2023-04-11),

FormFactor, Inc., based in Livermore, California, specializes in advanced probe systems and solutions for the semiconductor industry. The company develops and manufactures innovative technologies such as wafer handling systems, vertical probe arrays, and MEMS probe cards, which are essential for electrical testing and calibration in semiconductor fabrication. With a focus on enhancing testing efficiency and accuracy, FormFactor also explores cutting-edge materials like carbon nanotubes and automated test routines, positioning itself as a leader in precision measurement and testing solutions.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Formfactor, Inc.

508 Patents

#2 in Livermore, CA

#211 in California

#960 in US

#1,908 in the World

Livermore, CA, United States of America

Formfactor, Inc.

Forward Citations = 21,909

187 inventors:

Benjamin N Eldridge (197 out of 212 patents)

Gaetan L Mathieu (153 out of 173 patents)

Igor Y Khandros (140 out of 195 patents)

4. Charles A Miller (104 out of 119 patents)

5. Gary W Grube (89 out of 664 patents)

Please report any incorrect information to [email protected]

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