Moraga, CA, United States of America

Emmy Tong-In Wong

This inventor holds 1 USPTO granted patent. Top assignee: Bio-Rad Laboratories, Inc.. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Emmy Tong-In Wong. Retrieved from https://idiyas.com/inventor/emmy-tong-in-wong

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 = 2.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1977

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Emmy Tong-In Wong and Her Contribution to Serum Folate Testing.

Introduction

Emmy Tong-In Wong is an inventor associated with Moraga, California, and Bio-Rad Laboratories, Inc. Her patent work concerns a method for measuring serum folate.

Latest Patents

Wong is credited with 1 patent, titled “Assay Method for Serum Folate.” The method stabilizes serum folate while releasing it from serum folate proteins in the presence of a dithiopolyol, preferably a 1,4-dithiotetritol such as dithiothreitol. It then uses dry dextran-coated charcoal in tablet form to separate free folate from folate that is competitively bound.

Career Highlights

Wong’s documented patent contribution addresses a practical challenge in serum folate analysis: preparing folate for measurement while separating free folate from bound material. The supplied information associates her with Bio-Rad Laboratories, Inc.

Collaborations

Nathan Lewin is identified as Wong’s coworker. The available information does not specify their particular projects or working relationship.

Conclusion

Emmy Tong-In Wong’s patent reflects a focused contribution to serum folate assay methods, combining folate stabilization with a separation step to support analysis.

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]
Loading…