Nobeoka, Japan

Tomoji Sunagawa

This inventor holds 1 USPTO granted patent. Top assignee: Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoji Sunagawa. Retrieved from https://idiyas.com/inventor/tomoji-sunagawa

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 = 3.0

ph-index = 1

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Tomoji Sunagawa

Introduction

Tomoji Sunagawa is a notable inventor based in Nobeoka, Japan. He is recognized for his innovative contributions to the field of self-heating containers. His work has led to the development of a unique product that enhances the convenience of consuming hot beverages and foods.

Latest Patents

One of Sunagawa's significant inventions is a self-heating container. This container is designed to heat its contents when ignited. It features a chamber that holds an exothermic material, which can be ignited to produce heat. The container is particularly suitable for items such as Japanese sake, coffee, and soup. The exothermic material consists of a mixture of oxidants, like potassium permanganate, and combustible materials, such as iron powder. A heat insulating layer made of inorganic porous material surrounds the exothermic material, ensuring efficient heat retention.

Career Highlights

Tomoji Sunagawa is associated with Asahi Kasei Kogyo Kabushiki Kaisha, a prominent company in Japan. His work at the company has allowed him to focus on innovative solutions that cater to consumer needs. With a total of 1 patent, Sunagawa has made a mark in the field of product development.

Collaborations

Throughout his career, Sunagawa has collaborated with talented individuals such as Toshiaki Okamoto and Shun'ichi Sato. These collaborations have contributed to the advancement of his projects and the successful implementation of innovative ideas.

Conclusion

Tomoji Sunagawa's contributions to the field of self-heating containers exemplify the spirit of innovation. His work not only enhances convenience but also showcases the potential of creative engineering 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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