Chiyoda, Japan

Toshifumi Kunugi

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshifumi Kunugi. Retrieved from https://idiyas.com/inventor/toshifumi-kunugi

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Toshifumi Kunugi: Innovator in Absorption Refrigeration Technology

Introduction

Toshifumi Kunugi is a notable inventor based in Chiyoda, Japan. He has made significant contributions to the field of refrigeration technology, particularly with his innovative designs that enhance efficiency and compactness.

Latest Patents

Kunugi holds a patent for an absorption refrigerator. This invention features an absorber that comprises a vapor absorption portion with at least two flow paths for the absorption solution. These paths allow the solution to flow down and absorb cooling medium vapor. Additionally, the design includes at least two solution cooling portions that are separated from and juxtaposed with the vapor absorption portion. This configuration enables the circulation of cooling medium vapor between the solution cooling portion and the vapor absorption portion, resulting in a compact refrigerator with improved cycle efficiency. He has 1 patent to his name.

Career Highlights

Toshifumi Kunugi is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to focus on developing advanced refrigeration systems that meet modern energy efficiency standards.

Collaborations

Throughout his career, Kunugi has collaborated with esteemed colleagues such as Seiichiro Sakaguchi and Tomihisa Ohuchi. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Toshifumi Kunugi's contributions to absorption refrigeration technology exemplify his commitment to innovation and efficiency. His work continues to influence the industry and pave the way for future advancements in refrigeration systems.

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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