Middlesex, United Kingdom

Sivagnanasundram Surendrakumar

This inventor holds 10 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignees: Merck Patent Gmbh, Nissan Chemical Industries Limited, Oled-T Limited. Active years: 2000-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sivagnanasundram Surendrakumar. Retrieved from https://idiyas.com/inventor/sivagnanasundram-surendrakumar

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

Calculating rank
USPTO Granted Patents = 10 

% Patents Active = 30.0

 

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 40(Granted Patents)


Location History:

  • Edgware, GB (2000)
  • London, GB (2007 - 2011)
  • Middlesex, GB (2008 - 2016)

Company Filing History:


Years Active: 2000-2016

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10 patents (USPTO):Explore Patents

Title: Innovations of Sivagnanasundram Surendrakumar

Introduction

Sivagnanasundram Surendrakumar is a notable inventor based in Middlesex, GB. He has made significant contributions to the field of electroluminescent devices and optical light-emitting diodes (OLEDs). With a total of 10 patents to his name, his work has advanced the technology in these areas.

Latest Patents

One of his latest patents involves cathode coating for electroluminescent devices. This invention comprises a transparent anode, a layer of a hole transporting material, a layer of an electroluminescent material, a layer of an electron transporting material, a layer of a substituted lithium quinolate, and a metal cathode. The electroluminescent device may function as an organic light-emitting diode, featuring a cathode, an electron injection layer in contact with the cathode, and an electron transport layer. The materials used in these layers include aluminum, zirconium, or hafnium quinolate, or mixtures thereof. The process for creating these devices includes forming a substituted lithium quinolate and depositing it on the cathode to provide an electron injection layer. Another significant patent focuses on new compounds that can be utilized as electron transport materials in OLEDs, providing innovative solutions in the field.

Career Highlights

Throughout his career, Sivagnanasundram has worked with prominent companies such as Merck Patent GmbH and Nissan Chemical Industries Limited. His experience in these organizations has contributed to his expertise and the development of his patented technologies.

Collaborations

Sivagnanasundram has collaborated with notable coworkers, including Poopathy Kathirgamanathan and Subramaniam Ganeshamurugan. Their joint efforts have likely enhanced the innovation process and led to successful outcomes in their projects.

Conclusion

Sivagnanasundram Surendrakumar's contributions to the field of electroluminescent devices and OLEDs demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology and improving the functionality of electronic devices.

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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