Macomb, MI, United States of America

Chhay S Siev

This inventor holds 5 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Trw Vehicle Safety Systems Inc.. Active years: 1996-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chhay S Siev. Retrieved from https://idiyas.com/inventor/chhay-s-siev

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

USPTO Granted Patents = 5 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.4

ph-index = 3

Forward Citations = 53(Granted Patents)


Location History:

  • Shelby Township, MI (US) (1996)
  • Dryden, MI (US) (1999)
  • Macomb, MI (US) (2018 - 2019)

Company Filing History:


Years Active: 1996-2019

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5 patents (USPTO):Explore Patents

Title: Chhay S Siev: Innovator in Vehicle Safety Technology

Introduction

Chhay S Siev is a notable inventor based in Macomb, MI (US), recognized for his contributions to vehicle safety technology. With a total of 5 patents to his name, Siev has made significant advancements in the design and functionality of safety devices in vehicles.

Latest Patents

One of his latest patents is the "Seat belt retractor with load limiting stop mechanism." This innovative seat belt retractor features a rotatable spool that allows for the winding of seat belt webbing. The design includes a pretensioner that rotates the spool in the webbing retraction direction and a load-limiting system that protects vehicle occupants by limiting the load applied by the seat belt webbing. The system incorporates a torsion bar that twists under excessive load, along with a stop assembly that restricts the spool's rotation to a predetermined number of turns during activation.

Another significant patent is the "Sensor assembly for a vehicle occupant protection device." This device is designed to enhance the safety of vehicle occupants by utilizing an inertia member that moves in response to sensed vehicle conditions. The mechanism activates the occupant protection device, ensuring that safety measures are in place during critical situations.

Career Highlights

Throughout his career, Chhay S Siev has worked with prominent companies in the automotive safety industry, including TRW Vehicle Safety Systems Inc. and ZF Passive Safety Systems US Inc. His experience in these organizations has contributed to his expertise in developing innovative safety solutions.

Collaborations

Siev has collaborated with notable professionals in the field, including Richard A Boelstler and Edgar H Schlaps. These partnerships have likely fostered a creative environment that encourages the development of cutting-edge safety technologies.

Conclusion

Chhay S Siev's work in vehicle safety technology exemplifies his commitment to enhancing occupant protection through innovative designs. His patents reflect a deep understanding of safety mechanisms, making significant contributions to the automotive industry.

Profile summary based on public USPTO records.
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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