Taipei, Taiwan

Roger Chang

This inventor holds 2 USPTO granted patents and 4 EPO patents. Top assignees: Allied Supreme Corp., Merck Patent Gmbh. Active years: 2005-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Roger Chang. Retrieved from https://idiyas.com/inventor/roger-chang-a0v0awie

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

Calculating rank

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.4

ph-index = 1


Company Filing History:


Years Active: 2005-2020

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2 patents (USPTO):Explore Patents

Title: Roger Chang: Innovator in Liquid Crystal Display Technology

Introduction

Roger Chang is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of liquid crystal displays (LCDs) and has been awarded 2 patents for his innovative methods. His work focuses on enhancing the performance and manufacturing processes of LCD technologies.

Latest Patents

Roger Chang's latest patents include a method of reducing ODF mura in polymer stabilized liquid crystal displays. This invention addresses the challenges associated with mura in liquid crystal displays of the polymer sustained alignment type. Additionally, he has developed a method for manufacturing a fluoropolymer compound plate. This method involves several steps, including combining a fluoropolymer sheet with a medium plate, heating the compound plate uniformly, and compressing it through a series of rollers.

Career Highlights

Throughout his career, Roger has worked with prominent companies such as Merck Patent GmbH and Allied Supreme Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in display technology.

Collaborations

Roger has collaborated with notable professionals in his field, including Leo Weegels and Ky Lin. These partnerships have further enriched his work and expanded the impact of his inventions.

Conclusion

Roger Chang is a distinguished inventor whose work in liquid crystal display technology has led to innovative solutions and patents. His contributions continue to influence the industry and pave the way for future advancements.

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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