Yonezawa, Japan

Akinori Hayafuji

This inventor holds 10 USPTO granted patents and 3 published patent applications. Top assignees: Tohoku Pioneer Corporation, Pioneer Corporation. Active years: 2007-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akinori Hayafuji. Retrieved from https://idiyas.com/inventor/akinori-hayafuji

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

USPTO Granted Patents = 10 

% Patents Active = 50.0

Average Co-Inventor Count = 1.4

ph-index = 2

Forward Citations = 21(Granted Patents)


Company Filing History:


Years Active: 2007-2013

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10 patents (USPTO):Explore Patents

Title: Akinori Hayafuji: Innovator in Organic Electroluminescence Technology

Introduction

Akinori Hayafuji is a prominent inventor based in Yonezawa, Japan. He has made significant contributions to the field of organic electroluminescence, holding a total of 10 patents. His innovative work has paved the way for advancements in light-emitting technologies.

Latest Patents

One of Hayafuji's latest patents is a light-emitting apparatus that incorporates an organic electroluminescence cell. This apparatus features a transparent substrate made of glass, a first electrode layer, and a light-emitting functional layer composed of organic materials. Additionally, it includes a back surface electrode made of metallic material and dot-shaped conductors arranged on the first electrode layer. The design ensures that the combined resistance value of the transparent electrode and the dot-shaped conductors is lower than that of the transparent electrode alone, effectively suppressing voltage drop.

Another notable patent by Hayafuji is similar in nature, focusing on the arrangement of dot-shaped conductors made of low electric resistivity material. This configuration allows for improved efficiency in the light-emitting apparatus, enhancing its overall performance.

Career Highlights

Throughout his career, Akinori Hayafuji has worked with notable companies such as Tohoku Pioneer Corporation and Pioneer Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies in the field of organic electroluminescence.

Collaborations

Hayafuji has collaborated with esteemed colleagues, including Katsuhiro Kanauchi and Kenichi Okuyama. These partnerships have fostered a creative environment that has led to significant advancements in their respective fields.

Conclusion

Akinori Hayafuji's contributions to organic electroluminescence technology have established him as a key figure in the industry. His innovative patents and collaborations reflect his commitment to advancing light-emitting technologies. His work continues to influence the future of this field.

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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