Tsukuba, Japan

Takeshi Sotomura

This inventor holds 3 USPTO granted patents. Top assignees: Japan Metals & Chemicals Co., Ltd., Stanley Electric Co., Ltd. Active years: 1994-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Sotomura. Retrieved from https://idiyas.com/inventor/takeshi-sotomura

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 3

Forward Citations = 20(Granted Patents)


Location History:

  • Tsukuba, JP (1994 - 1996)
  • Ibaraki, JP (1998)

Company Filing History:


Years Active: 1994-1998

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Takeshi Sotomura

Introduction

Takeshi Sotomura is a notable inventor based in Tsukuba, Japan. He has made significant contributions to the field of electroluminescence and materials science. With a total of three patents to his name, his work has had a considerable impact on the development of efficient lighting technologies.

Latest Patents

Sotomura's latest patents include a method of producing spinel type LiMn2O4 and advancements in electroluminescence displays. One of his notable inventions is an electroluminescent (EL) lamp that boasts higher luminescence efficiency. This innovative EL element consists of an aluminum foil with at least one specularly polished surface, an anodized oxide film on that surface, a light-emitting EL layer directly on the film, and a transparent electrode on top of the light-emitting layer. The manufacturing process for this EL lamp involves polishing the aluminum foil, forming the anodized oxide film, and then creating the light-emitting EL layer and transparent electrode directly on the aluminum oxide film.

Career Highlights

Throughout his career, Takeshi Sotomura has worked with prominent companies such as Japan Metals & Chemicals Co., Ltd. and Stanley Electric Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in the field.

Collaborations

Sotomura has collaborated with several talented individuals, including Kenichi Kondo and Takahiro Saida. These partnerships have fostered a creative environment that has led to the development of new technologies and solutions.

Conclusion

Takeshi Sotomura's contributions to the field of electroluminescence and materials science highlight his innovative spirit and dedication to advancing technology. His patents and collaborations reflect a commitment to improving efficiency in lighting 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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