Kolkata, India

Subarna Shyamroy

This inventor holds 2 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Sabic Innovative Plastics IP B.v.. Active years: 2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Subarna Shyamroy. Retrieved from https://idiyas.com/inventor/subarna-shyamroy

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 = 50.0

 

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 8(Granted Patents)


Location History:

  • Kolkata, IN (2010)
  • Navi Mumbai, IN (2010)

Company Filing History:


Years Active: 2010

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2 patents (USPTO):Explore Patents

Title: The Innovative Mind of Subarna Shyamroy

Introduction

Subarna Shyamroy, an accomplished inventor based in Kolkata, India, has made significant contributions to the field of polymer technology. With a total of two patents to his name, Shyamroy’s innovative work focuses on the development of advanced materials that have applications across various industries.

Latest Patents

Shyamroy's latest patents showcase his expertise in polymer chemistry. The first patent involves silylated polycarbonate polymers, which include a method of making these materials and the articles produced from them. This silylated polycarbonate consists of silylated carbonate units derived from a specific silylated dihydroxy aromatic compound. This innovative approach allows for the formation of thermoplastic compositions with enhanced properties.

The second patent emphasizes an aromatic polycarbonate featuring a high refractive index, enhanced mechanical properties, and excellent processing characteristics. This polycarbonate comprises both a thiodiphenol monomer and a biphenyl monomer, achieving a refractive index greater than 1.670, which is a significant advancement in the field of optical materials.

Career Highlights

Shyamroy currently works at SABIC Innovative Plastics IP B.V., where he actively contributes to research and development in polymer solutions. His work has been pioneering in creating materials that meet the rising demands of durability and performance in various applications.

Collaborations

Throughout his career, Shyamroy has collaborated with talented professionals, including his coworkers Subash Scindia and Jan Pleun Lens. These collaborations have enhanced his research and brought forth new innovations in polymer technology.

Conclusion

Subarna Shyamroy stands out as a notable inventor in the field of polymer chemistry, with his recent patents reflecting his commitment to innovation. His contributions not only advance the existing technology but also pave the way for future developments in materials science. With a continued focus on research and collaboration, Shyamroy is poised to make even more significant impacts in the years to come.

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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