For the Inventor, By the Inventor

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Seoul, South Korea

Vsi Corporation

USPTO Granted Patents = 76

% Expired Patents = 1.3

Trademarks = 19

Forward Citations = 1,333

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60 inventors (with patents filed for the assignee):

Frank J Cosenza (10 out of 38 patents)

Ronald W Batten (7 out of 14 patents)

Edgar L Stencel (7 out of 7 patents)

4. Lucas Boesel (5 out of 10 patents)

5. Joshua J Miller (5 out of 5 patents)

6. Roland A Wheeler (4 out of 4 patents)

7. Suwon Kang (3 out of 7 patents)

8. John C Stammreich (3 out of 6 patents)

9. Thomas E Harbin (3 out of 9 patents)

10. Jack Rath (3 out of 9 patents)

11. Su Won Kang (2 out of 4 patents)

12. Jay Yaeso (2 out of 2 patents)

13. Albert K Yamamoto (2 out of 17 patents)

14. Jean-Paul A Nicolle (2 out of 2 patents)

15. Clair E Compton (2 out of 2 patents)

Core Competencies:

Fastener Assembly

Self-Locking Fastener

Locking Mechanism

Installation Tool

Pneumatic Nut

Toggle Latch

Captive Panel

Hydraulic Fitting

High-Speed Communication

Lock Nut

Die Casting

Tool Holder

76 patents: Sort by Forward Citations

1. 12305559 - Catalytic converter locking device and assembly (2025-05-20),

2. 11451412 - Method for enabling nodes of heterogeneous communication protocols to share a single bus by adapting to one of the heterogeneous communication protocols and device for said method (2022-09-20),

3. 11228467 - Method for compensating loss of high-speed signals in a communication channel, and a device for said method (2022-01-18),

4. 11036664 - Method for determining the transmission speed of a communication module in adapting a connected communication module to a bus and a device for said method (2021-06-15),

5. 10721092 - High-speed CAN communication system using passband modulation (2020-07-21),

6. 10270617 - Method and apparatus for high speed equalization of data packet received from bus topology network (2019-04-23),

7. 9889725 - Truck cap handle and lock assembly (2018-02-13),

8. 9505392 - Air brake lock and assembly (2016-11-29),

9. 9032765 - Hasp seal lock assembly (2015-05-19),

10. 8935944 - Hasp seal lock assembly (2015-01-20),

11. 8443638 - Method and mechanism for attaching a locking mechanism to a pick-up truck tailgate (2013-05-21),

12. 8276416 - Master key lock, system and method (2012-10-02),

13. 5607273 - Printed circuit board wedge section retainer (1997-03-04),

14. 5452979 - Fastener assembly (1995-09-26),

15. 5438891 - Collet type fastener removal tool (1995-08-08),

Vsi Corporation, headquartered in Seoul, South Korea, specializes in advanced fastener technology, focusing on the development and manufacturing of innovative fastening solutions. The company is recognized for its expertise in fastener assembly, self-locking fasteners, and various locking mechanisms, which enhance the reliability and efficiency of fastening applications. Vsi Corporation also offers a range of installation tools, pneumatic nuts, toggle latches, captive panels, and hydraulic fittings, catering to diverse industrial needs and ensuring high-performance standards.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Vsi Corporation

76 Patents

#97 in Seoul

#233 in South Korea

#9,877 in the World

Seoul, South Korea

Vsi Corporation

Forward Citations = 1,333

60 inventors:

Frank J Cosenza (10 out of 38 patents)

Ronald W Batten (7 out of 14 patents)

Edgar L Stencel (7 out of 7 patents)

4. Lucas Boesel (5 out of 10 patents)

5. Joshua J Miller (5 out of 5 patents)

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