La Jolla, CA, United States of America

Robert I Yin

This inventor holds 4 USPTO granted patents. Top assignee: Merck + Co., Inc.. Active years: 1981-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert I Yin. Retrieved from https://idiyas.com/inventor/robert-i-yin

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 = 1.3

ph-index = 3

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 1981-1983

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4 patents (USPTO):Explore Patents

Title: Robert I. Yin: Inventor in Paper Coatings and Finishes.

Introduction

Robert I. Yin is an inventor associated with La Jolla, California. His patent work includes innovations in paper coatings and finishes, including compositions designed to improve paper’s film formation and resistance to oils, solvents, and other substances.

Latest Patents

Yin’s patent portfolio includes 4 patents. Two of his latest patents focus on materials for paper treatment.

“Blends of Algin, Tamarind, and a Polycationic Electroconductive Polymer” describes a paper-coating composition combining a blend of algin and tamarind with a polycationic electroconductive polymer. The coating is reported to improve film formation, reduce air porosity, and increase resistance to oil and solvents.

“Use of Heteropolysaccharide S-119 as a Paper Finish” describes using S-119 as a paper finish, either on its own as a sizing agent or as a water-retention aid. The patent also addresses improving the holdout of ink, solvents, oil, grease, and wax in pigmented coatings.

Career Highlights

Yin’s listed company affiliation is Merck & Co., Inc. His patent work reflects an emphasis on functional materials and treatments that can enhance the performance of paper and coated surfaces.

Collaborations

Among Yin’s listed coworkers are Joseph S. Racciato and Jerry Glenn Lewis. Their names provide context for the professional network associated with his work.

Conclusion

Robert I. Yin’s patents highlight practical innovations in paper coatings and finishes, with a focus on improving coating performance and resistance to liquids and other materials.

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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