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Fremont, CA, United States of America

Essai, Inc.

USPTO Granted Patents = 24

Trademarks = 1

Forward Citations = 127

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9 inventors (with patents filed for the assignee):

Nasser Barabi (24 out of 36 patents)

Oksana Kryachek (19 out of 19 patents)

Joven R Tienzo (16 out of 16 patents)

4. Chee Wah Ho (16 out of 16 patents)

5. Elena V Nazarov (13 out of 13 patents)

6. Chee-Wah Ho (7 out of 7 patents)

7. Hin Lum Lee (2 out of 2 patents)

8. Hans Dieter Huber (1 out of 1 patent)

9. Ho Chee-Wah (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 12085587 - Hybrid shielding sockets with impedance tuning for integrated circuit device test tooling (2024-09-10),

2. 11906550 - Probe system for QFP integrated circuit device test tooling (2024-02-20),

3. 11378588 - Contactor with angled depressible probes in shifted bores (2022-07-05),

4. 11293976 - Integrated circuit device test tooling with dual angle cavities (2022-04-05),

5. 10908207 - Systems and methods for conforming device testers to integrated circuit device with pressure relief valve (2021-02-02),

6. 10481175 - Contactor with angled depressible probes (2019-11-19),

7. 10126356 - Systems and methods for conforming test tooling to integrated circuit device with whirlwind cold plate (2018-11-13),

8. 10094853 - Systems and methods for reliable integrated circuit device test tooling (2018-10-09),

9. 9804223 - Systems and methods for conforming test tooling to integrated circuit device with heater socket (2017-10-31),

10. 9766268 - Contactor with angled spring probes (2017-09-19),

11. 9557373 - Systems and methods for conforming test tooling to integrated circuit device profiles with convex support structure (2017-01-31),

12. 9494642 - Systems and methods for conforming test tooling to integrated circuit device profiles with ejection mechanisms (2016-11-15),

13. 9383406 - Systems and methods for conforming device testers to integrated circuit device with pressure relief valve (2016-07-05),

14. 9279852 - Systems and methods for conforming test tooling to integrated circuit device profiles with sockets having secured and replaceable bushings (2016-03-08),

15. 9229049 - Systems and methods for conforming test tooling to integrated circuit device profiles with compliant pedestals (2016-01-05),

ESSAI, INC. is a leading company in the field of manufacturing testing and handling equipment. With over 20 years of experience, Essai specializes in providing high-quality solutions for semiconductor, electronics, and automotive industries. Their state-of-the-art equipment ensures accurate testing and optimal handling of products, optimizing efficiency and reducing costs for their clients. Essai's commitment to innovation and technological advancement has earned them a reputable position in the industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

24 Patents

#81 in Fremont, CA

#3,172 in California

#13,406 in US

#25,842 in the World

Fremont, CA, United States of America

Essai, Inc.

Forward Citations = 127

9 inventors:

Nasser Barabi (24 out of 36 patents)

Oksana Kryachek (19 out of 19 patents)

Joven R Tienzo (16 out of 16 patents)

4. Chee Wah Ho (16 out of 16 patents)

5. Elena V Nazarov (13 out of 13 patents)

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