Kaohsiung, Taiwan

Kuo-Ching Chang

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Cleanenv' Engineeering Consultant Co., Ltd., Cleanevi' Engineering Consultant Co., Ltd.. Active years: 1999-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kuo-Ching Chang. Retrieved from https://idiyas.com/inventor/kuo-ching-chang-3lbgezc1

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 1999-2000

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2 patents (USPTO):Explore Patents

Title: Kuo-Ching Chang: Innovator in Waste Printed Circuit Board Recycling

Introduction

Kuo-Ching Chang is a notable inventor based in Kaohsiung, Taiwan. He has made significant contributions to the field of waste management, particularly in the recycling of printed circuit boards. With a total of 2 patents, his work focuses on innovative methods to treat and recycle electronic waste.

Latest Patents

Chang's latest patents include a "Method for treating waste printed circuit boards with molten mixture of inorganic salts" and a "Method of recycling waste printed circuit boards." The first patent outlines a comprehensive process that involves several steps, including immersing circuit boards in molten inorganic salts, crushing and stirring to separate copper foil, and converting waste gas into a stable form. The second patent describes a method using molten tin to treat waste printed circuit boards, allowing for the separation of copper foil, thermosetting plastic, and glass fiber based on their specific gravity.

Career Highlights

Throughout his career, Kuo-Ching Chang has worked with companies such as Cleanenv' Engineering Consultant Co., Ltd. and Cleanevi' Engineering Consultant Co., Ltd. His expertise in waste management and recycling technologies has positioned him as a key figure in the industry.

Collaborations

Chang has collaborated with notable individuals in his field, including Kuo-Jer Hwang and Gow-Guang Goan. These partnerships have contributed to the advancement of recycling technologies and methods.

Conclusion

Kuo-Ching Chang's innovative approaches to recycling waste printed circuit boards demonstrate his commitment to environmental sustainability. His patents reflect a deep understanding of the challenges in electronic waste management and offer practical solutions for the 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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