Suita, Japan

Yoshikazu Umemoto

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignee: Sumitomo Chemical Company, Limited. Active years: 2011-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshikazu Umemoto. Retrieved from https://idiyas.com/inventor/yoshikazu-umemoto

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

USPTO Granted Patents = 3 

Average Co-Inventor Count = 3.6

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Suita, JP (2011 - 2012)
  • Kawasaki, JP (2017)

Company Filing History:


Years Active: 2011-2017

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3 patents (USPTO):Explore Patents

Title: Innovations of Yoshikazu Umemoto

Introduction

Yoshikazu Umemoto is a notable inventor based in Suita, Japan. He has made significant contributions to the field of luminescent materials and organic thin films. With a total of 3 patents to his name, Umemoto continues to push the boundaries of innovation in his area of expertise.

Latest Patents

His latest patents include a luminescent composition and a light-emitting element utilizing this composition. The luminescent composition comprises a luminescent organic compound and a conjugated polymer compound, which has a luminescence maximum further toward the short wavelength end than that of the luminescent organic compound, specifically in the range of 350 nm to 500 nm. Additionally, he has developed a polymer with a repeating unit represented by a specific general formula, which has a ferrocene-based reduction potential measured by cyclic voltammetry.

Career Highlights

Yoshikazu Umemoto is currently employed at Sumitomo Chemical Company, Limited, where he applies his expertise in developing advanced materials. His work has been instrumental in enhancing the performance of organic thin film devices, contributing to the advancement of technology in this field.

Collaborations

Umemoto has collaborated with esteemed colleagues such as Yutaka Ie and Yoshio Aso, further enriching his research and development efforts. Their combined expertise has led to innovative solutions and advancements in luminescent technologies.

Conclusion

Yoshikazu Umemoto's contributions to the field of luminescent materials and organic thin films highlight his role as a significant inventor. His ongoing work at Sumitomo Chemical Company, Limited, along with his collaborations, continues to drive innovation in this exciting area of research.

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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