Ayase, Japan

Yuji Oka

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Tosoh Corporation, Sagami Chemical Research Institute. Active years: 2016-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Oka. Retrieved from https://idiyas.com/inventor/yuji-oka

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


% Patents Active = 100.0


Average Co-Inventor Count = 6.2

ph-index = 1

Forward Citations = 9(Granted Patents)


Location History:

  • Kanagawa, JP (2016)
  • Ayase, JP (2017)

Company Filing History:


Years Active: 2016-2017

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2 patents (USPTO):Explore Patents

Title: Yuji Oka: Innovator in Organic Electroluminescent Devices

Introduction

Yuji Oka is a prominent inventor based in Ayase, Japan. He has made significant contributions to the field of organic electroluminescent devices, holding a total of 2 patents. His work focuses on developing novel compounds that enhance the performance and longevity of these devices.

Latest Patents

Oka's latest patents include a heterocyclic compound designed for organic electroluminescent devices. This innovative compound is noted for its excellent long service life and light-emitting characteristics. Another patent involves a cyclic azine compound that serves as a key component in organic electroluminescent devices. This compound features a unique structure that includes nitrogen-containing condensed aromatic groups, making it particularly useful in enhancing device performance.

Career Highlights

Throughout his career, Yuji Oka has worked with notable companies such as Tosoh Corporation and Sagami Chemical Research Institute. His experience in these organizations has allowed him to refine his expertise in the development of advanced materials for electronic applications.

Collaborations

Oka has collaborated with several talented individuals in his field, including Keisuke Nomura and Tsuyoshi Tanaka. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Yuji Oka's contributions to the field of organic electroluminescent devices highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the efficiency and effectiveness of electronic 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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