Tokyo, Japan

Akira Hirasawa

This inventor holds 9 USPTO granted patents and 4 published patent applications. Top assignees: Pioneer Corporation, Toppan Moore Co., Ltd., Keio University. Active years: 1997-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Hirasawa. Retrieved from https://idiyas.com/inventor/akira-hirasawa

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

USPTO Granted Patents = 9 

% Patents Active = 77.8

Average Co-Inventor Count = 2.2

ph-index = 2

Forward Citations = 21(Granted Patents)


Location History:

  • Kawasaki, JP (2016)
  • Tokyo, JP (1997 - 2024)

Company Filing History:


Years Active: 1997-2024

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9 patents (USPTO):Explore Patents

Title: Akira Hirasawa: Innovator in Light Emitting Devices

Introduction

Akira Hirasawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of light-emitting devices, holding a total of nine patents. His innovative work has paved the way for advancements in organic materials and metal compounds used in these devices.

Latest Patents

Hirasawa's latest patents include a light-emitting device that features a first region containing a first organic material and a metal compound. The second region also contains the first organic material and the metal compound. Notably, the average intensity of the SIMS profile of the metal element in the second region can be lower than that in the first region, specifically lower than 10%, and preferably lower than 1.0%. Another patent describes a light-emitting device that includes both a first and a second light-emitting member, each with distinct surfaces from which light is emitted. The configuration of these members allows for enhanced light emission efficiency.

Career Highlights

Throughout his career, Hirasawa has worked with notable companies such as Pioneer Corporation and Toppan Moore Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced light-emitting technologies.

Collaborations

Hirasawa has collaborated with talented individuals in his field, including Kei Etoh and Hisano Higurashi, who is a notable female engineer. Their combined efforts have led to innovative solutions in the realm of light-emitting devices.

Conclusion

Akira Hirasawa's contributions to the field of light-emitting devices demonstrate his innovative spirit and dedication to advancing technology. His patents and collaborations reflect a commitment to excellence in engineering and invention.

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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