Tokyo, Japan

Tokumi Tsuquwa

This inventor holds 1 USPTO granted patent. Top assignees: Deutsche Controls Gmbh, Tgk Co., Inc.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tokumi Tsuquwa. Retrieved from https://idiyas.com/inventor/tokumi-tsuquwa

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 = 2.0

ph-index = 1

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Tokumi Tsuquwa

Introduction

Tokumi Tsuquwa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of refrigeration technology. His innovative designs have led to the development of a unique expansion valve that enhances the efficiency of refrigerating systems.

Latest Patents

Tsuquwa holds a patent for an expansion valve designed to control the flow rate of refrigerant supplied to an evaporator in a refrigerating system. This expansion valve features a temperature-sensing chamber entirely housed within its structure. The chamber is connected to both the outlet of the evaporator and the inlet of a compressor. It converts temperature changes into pressure changes, allowing for precise control of the refrigerant flow. The temperature-sensing chamber contains a sealed gas charge and an adsorbent material that responds to temperature variations, ensuring optimal performance.

Career Highlights

Throughout his career, Tokumi Tsuquwa has worked with several prominent companies, including Tgk Co., Inc. and Deutsche Controls GmbH. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects. Tsuquwa's work has been instrumental in advancing refrigeration technology.

Collaborations

One of Tsuquwa's notable collaborators is Isao Sendo. Their partnership has fostered creativity and innovation in their respective fields.

Conclusion

Tokumi Tsuquwa is a distinguished inventor whose work in refrigeration technology has made a lasting impact. His innovative expansion valve design exemplifies his commitment to enhancing system efficiency. Tsuquwa's contributions continue to influence the industry and inspire future innovations.

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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