This inventor holds 1 USPTO granted patent. Top assignees: Dongsung Chemical Co., Ltd., Hanwha Advanced Materials Corporation, Hyundai Motor Company. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 2 
1 out of 11 
1 out of 20,462 
Years Active: 2026
Title: Sung Bok Kwak: Inventor of a Thermoplastic Polyurethane Composition
Introduction
Sung Bok Kwak is an inventor associated with Suwon, South Korea. His patent work includes a thermoplastic polyurethane composition designed for injection molding and a method for manufacturing it.
Latest Patents
Kwak is listed as an inventor on 1 patent: “Thermoplastic Polyurethane Composition for Injection Molding and a Method for Manufacturing the Same.” The disclosure describes a composition containing 0.5% to 10.0% by weight sulfonate diol, 13% to 60% isocyanate, 30% to 70% ether-containing polyester polyol, and 5% to 40% chain extender. It also presents a method for manufacturing the composition.
Career Highlights
The provided career information associates Kwak with Hyundai Motor Company and Kia Corporation. His patent focuses on a material formulation intended for injection molding.
Collaborations
In Soo Han is identified as Kwak’s coworker.
Conclusion
Sung Bok Kwak’s recorded invention concerns a thermoplastic polyurethane composition and its manufacture, connecting his patent work with the automotive companies listed in his career information.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile