Tokyo, Japan

Tadao Nakaya

This inventor holds 2 USPTO granted patents. Top assignee: Taiho Industries Co., Ltd.. Active years: 2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadao Nakaya. Retrieved from https://idiyas.com/inventor/tadao-nakaya-vgdcphqw

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

Calculating rank

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2003

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2 patents (USPTO):Explore Patents

Title: Tadao Nakaya: Innovator in Fluorescent Compounds

Introduction

Tadao Nakaya is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of fluorescent compounds, holding two patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents focuses on fluorescent substances. The objective of this invention is to provide fluorescent compounds comprising a naphthalene skeleton, an electron donating group substituted at the 2- or 1-position of the naphthalene skeleton, and an electron attractive group substituted at the 6- or 4-position of the skeleton. The fluorescent compound of this invention is capable of emitting visible light having a desired color by choosing an appropriate combination of the electron donating group A, which has an electron-pushing function, and the electron attractive group B, which has an electron-pulling function. Another notable patent is for a fluorescent carbazole derivative. The object of this invention is to provide an illuminant, which can easily be produced at low cost. This invention is a carbazole derivative luminescent compound having a carbazole ring skeleton, to the nitrogen atom of which is attached an electron-donating group, and to the carbon atom of which is attached an electron-attracting group at the third position to the nitrogen atom.

Career Highlights

Tadao Nakaya is associated with Taiho Industries Co., Ltd., where he continues to develop innovative solutions in the field of fluorescent technology. His work has garnered attention for its potential applications in various industries.

Collaborations

He has collaborated with notable coworkers such as Takao Yamauchi and Akio Tajima, contributing to a dynamic and innovative work environment.

Conclusion

Tadao Nakaya's contributions to the field of fluorescent compounds highlight his role as a key innovator. His patents reflect a commitment to advancing technology and creating practical solutions.

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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