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Farmington Hills, MI, United States of America

J.s.t. Corporation

USPTO Granted Patents = 148

% Expired Patents = 3.4

EPO Patents = 26

Trademarks = 2

Forward Citations = 933

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63 inventors (with patents filed for the assignee):

Ping Chen (63 out of 78 patents)

Gwendolyn Upson (33 out of 33 patents)

Franklin Anthony Holub (28 out of 46 patents)

4. David Demaratos (23 out of 23 patents)

5. Vikas Azad (20 out of 20 patents)

6. Eric Blankinship (11 out of 11 patents)

7. Rajit Abraham (10 out of 10 patents)

8. Tsuyoshi Osada (10 out of 20 patents)

9. Khalid Jabrane (8 out of 8 patents)

10. Jong Soo Kim (7 out of 7 patents)

11. Michael Yash (6 out of 6 patents)

12. Craig Lee (6 out of 6 patents)

13. Darrell George (5 out of 5 patents)

14. Joseph Txarola (5 out of 5 patents)

15. Tommy Tan Chin Yaw (5 out of 5 patents)

Core Competencies:

Electrical Female Terminal

High Voltage Connector

Terminal Position Assurance

Electromagnetic Interference

Connector Assembly

Blind Mate Connector

IDCC Connection System

Elastomer Seal Spring

Power Connector System

Conductive Housing

Pin Connector

MSL Connector Series

148 patents: Sort by Forward Citations

1. 12725981 - Detachable header housing for a header connector assembly, and method for disassembling or assembling thereof (2026-09-01),

2. D1123878 - Electrical female terminal (2026-04-28),

3. D1123877 - Electrical female terminal (2026-04-28),

4. D1122878 - Electrical female terminal (2026-04-21),

5. 12586957 - Hidden releasable barcode or QR code for indicating mating or non-mating of two elements, and operation thereof (2026-03-24),

6. 12548948 - Keyed electric connector (2026-02-10),

7. 12548935 - Connector with terminal position assurance (2026-02-10),

8. D1108376 - Electrical female terminal (2026-01-06),

9. 12512615 - Pin connector (2025-12-30),

10. 12451635 - Electrical female terminal (2025-10-21),

11. 12322917 - IDCC connection system and process (2025-06-03),

12. 12294177 - Method for electromagnetic interference (EMI) protection for a high voltage connector assembly having a conductive outer housing, with at least a conductive tab, that accommodates therein a seal spring (2025-05-06),

13. 12294169 - Power connector system having a right-angle type plug connector or a straight type plug connector engageable with a header connector (2025-05-06),

14. 12283767 - Terminal spring spacer, and a female terminal utilizing said spring spacer (2025-04-21),

15. 12244102 - Detachable outer shell for a shielded device connector, and method for disassembling or assembling thereof (2025-03-04),

Company Overview

J.S.T. Corporation, based in Farmington Hills, MI, specializes in the design and manufacturing of advanced electrical connectors. The company focuses on a range of core technologies, including electrical female terminals, high voltage connectors, and terminal position assurance systems. J.S.T. is dedicated to addressing challenges related to electromagnetic interference and connector assembly, offering innovative solutions such as blind mate connectors and the IDCC connection system. Their expertise extends to elastomer seal springs, ensuring reliability in various applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

148 Patents

#2 in Farmington Hills, MI

#115 in Michigan

#2,657 in US

#5,514 in the World

Farmington Hills, MI, United States of America

J.s.t. Corporation

Forward Citations = 933

63 inventors:

Ping Chen (63 out of 78 patents)

Gwendolyn Upson (33 out of 33 patents)

Franklin Anthony Holub (28 out of 46 patents)

4. David Demaratos (23 out of 23 patents)

5. Vikas Azad (20 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: J.s.t. Corporation. Retrieved from https://idiyas.com/company/j-s-t

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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