Kitakyushu, Japan

Takuo Nagahama

This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignee: Nippon Steel & Sumikin Chemical Co., Ltd.. Active years: 2016-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuo Nagahama. Retrieved from https://idiyas.com/inventor/takuo-nagahama

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2016-2018

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2 patents (USPTO):Explore Patents

Title: Takuo Nagahama: Innovator in Organic Semiconductor Materials

Introduction

Takuo Nagahama is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of organic semiconductor materials, holding a total of 2 patents. His work focuses on developing innovative compounds that enhance the performance of organic electronic devices.

Latest Patents

Nagahama's latest patents include an aromatic heterocyclic compound and a manufacturing method for it, as well as an organic semiconductor material and device. The aromatic heterocyclic compound is characterized by a unique structure with six fused rings and two heteroatoms. This compound is designed to provide high charge mobility, oxidation stability, and solvent solubility. The organic semiconductor material, which incorporates this compound, is intended for use in organic semiconductor films and devices, such as organic thin-film transistors and organic photovoltaic devices. Additionally, he has developed a semiconductor material for organic transistors that boasts high charge mobility and satisfactory film formability.

Career Highlights

Nagahama is currently employed at Nippon Steel & Sumikin Chemical Co., Ltd., where he continues to push the boundaries of organic semiconductor technology. His research has led to advancements that are crucial for the development of efficient organic electronic devices.

Collaborations

Throughout his career, Nagahama has collaborated with notable colleagues, including Atsushi Kawada and Hiroyuki Hayashida. These partnerships have contributed to the success of his innovative projects and patents.

Conclusion

Takuo Nagahama's work in organic semiconductor materials exemplifies the importance of innovation in technology. His contributions are paving the way for advancements in organic electronics, making him a key figure in 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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