Grand Island, NY, United States of America

Eng-Pi Chang

This inventor holds 2 USPTO granted patents. Top assignee: Hooker Chemicals & Plastics Corporation. Active years: 1981-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eng-Pi Chang. Retrieved from https://idiyas.com/inventor/eng-pi-chang-1e21cvi9

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 = 3.0

ph-index = 2

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1981-1982

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2 patents (USPTO):Explore Patents

Title: Eng-Pi Chang: Innovator in Electrolytic Cell Technology

Introduction

Eng-Pi Chang is a notable inventor based in Grand Island, NY (US). He has made significant contributions to the field of electrolytic cell technology, particularly through his innovative patents. With a total of 2 patents, Chang's work focuses on the development of porous polyfluoroalkylene sheets that are essential for various electrolysis processes.

Latest Patents

Chang's latest patents include a process for forming a porous polyfluoroalkylene sheet that is particularly useful as a separator in electrolytic cells. These sheets, preferably made of polytetrafluoroethylene, exhibit a porosity range of 70 to 90% and a thickness between 0.2 to 3.5 mm. The patents detail specific X-ray ratios that enhance the performance of these sheets in electrolysis applications, especially in the electrolysis of brine. The specifications also outline methods for manufacturing these porous sheets and determining their suitability for electrolytic processes.

Career Highlights

Eng-Pi Chang is associated with Hooker Chemicals & Plastics Corporation, where he has been able to apply his innovative ideas in a practical setting. His work has contributed to advancements in the efficiency and effectiveness of electrolytic cells, making a significant impact in the industry.

Collaborations

Chang has collaborated with notable coworkers, including Christine A Lazarz and Edward H Cook, Jr. These collaborations have likely fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Eng-Pi Chang's contributions to the field of electrolytic cell technology through his patents and collaborations highlight his role as an influential inventor. His work continues to pave the way for advancements in electrolysis processes, showcasing the importance of innovation in this area.

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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