Sayre, PA, United States of America

John H Choi

This inventor holds 6 USPTO granted patents. Top assignees: E.i. Dupont De Nemours and Company, E. I. Du Pont Nemours and Co.. Active years: 1991-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John H Choi. Retrieved from https://idiyas.com/inventor/john-h-choi

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


% Patents Active = 83.3

Average Co-Inventor Count = 1.5

ph-index = 4

Forward Citations = 76(Granted Patents)


Location History:

  • Sayre, PA (US) (1991 - 1998)
  • Wilmington, DE (US) (2001 - 2003)

Company Filing History:


Years Active: 1991-2003

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6 patents (USPTO):Explore Patents

Title: Innovations of John H Choi

Introduction

John H Choi is a notable inventor based in Sayre, PA (US), recognized for his contributions to the field of ceramic materials. With a total of 6 patents to his name, Choi has made significant advancements in processes related to ceramic tape and photosensitive compositions.

Latest Patents

One of Choi's latest patents is titled "Process for patterning non-photoimagable ceramic tape." This invention focuses on a method for patterning ceramic tape by applying a photoresist, which, after exposure and development, serves as a mask for the tape. The process allows for the removal of undesired sections of the tape, which contains polymeric binders with functional groups but lacks photosensitive ingredients. This unique approach enables the tape to be processed with water while still allowing the use of conventional photoresists as a development barrier layer. Another significant patent involves "Photosensitive ceramic compositions containing polycarbonate polymers," which pertains to a polymer comprising specific repeat units.

Career Highlights

Throughout his career, John H Choi has worked with prominent companies, including E.I. DuPont De Nemours and Company. His work has contributed to advancements in material science and engineering, particularly in the development of innovative ceramic products.

Collaborations

Choi has collaborated with notable individuals in his field, including Neville Everton Drysdale and Harvey Walter Taylor, Jr. These collaborations have further enriched his research and development efforts.

Conclusion

John H Choi's innovative work in ceramic materials and processes has established him as a significant figure in the field. His patents reflect a commitment to advancing technology and improving manufacturing techniques.

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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