Seoul, South Korea

Ho-Myung Chang

This inventor holds 1 USPTO granted patent and 5 published patent applications, plus 1 CIPO patent. Top assignee: H2creo Corp.. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ho-Myung Chang. Retrieved from https://idiyas.com/inventor/ho-myung-chang

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0


Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Ho-Myung Chang and Hydrogen Liquefaction Innovation.

Introduction

Ho-Myung Chang is an inventor based in Seoul, South Korea, associated with H2creo Corp. His patent work includes a system and method for liquefying hydrogen, a process relevant to hydrogen storage and handling.

Latest Patents

Chang is credited with 1 patent: “Hydrogen liquefaction system and hydrogen liquefaction method.” The invention describes a hydrogen pipe that receives gaseous hydrogen, cools it through a heat-exchange section, and discharges the resulting liquid hydrogen. A cooling-cycle device exchanges heat with that section, while an Ortho-Para (O-P) converter in the pipe adjusts the ratio of ortho-hydrogen to para-hydrogen during liquefaction. The disclosure presents O-P conversion as an optional feature of the liquefaction process.

Career Highlights

The available information identifies Chang’s work at H2creo Corp. and highlights his patent on hydrogen liquefaction. The invention brings together cooling and hydrogen-isomer conversion within a system designed to produce liquid hydrogen.

Collaborations

Chang’s listed coworkers include Jong H Baik and Hyung Jin Kim. The provided information does not specify their roles or the nature of their collaboration.

Conclusion

Ho-Myung Chang’s patent focuses on integrating heat exchange and optional ortho-to-para conversion in hydrogen liquefaction, reflecting an engineering contribution to hydrogen technology.

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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