Nagoya, Japan

Etsuo Hasegawa

This inventor holds 24 USPTO granted patents, primarily in Heat Exchanger Technology. Top assignees: Denso Corporation, Nippondenso Co., Ltd.. Active years: 1996-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Etsuo Hasegawa. Retrieved from https://idiyas.com/inventor/etsuo-hasegawa-1kblpvil

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


% Patents Active = 83.3

Average Co-Inventor Count = 4.8

ph-index = 7

Forward Citations = 132(Granted Patents)


Location History:

  • Kohnan, JP (1996)
  • Kounan, JP (1996)
  • Konan, JP (1997)
  • Nagoya, JP (1997 - 2018)
  • Kariya, JP (2019 - 2021)

Company Filing History:


Years Active: 1996-2021

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Areas of Expertise:
Cold-Storage Heat Exchanger
Condenser
Evaporator
Heat Exchange Tube
Refrigerant Evaporator
Cooling Unit
Laminated Type Heat Exchanger
Internal Heat Exchanger
Fluid Paths
Heat Exchanger Design
Refrigerating Cycle
Air Conditioners
24 patents (USPTO):Explore Patents

Title: Etsuo Hasegawa: A Pioneer in Refrigeration Technology

Introduction

Etsuo Hasegawa, based in Nagoya, Japan, is a renowned inventor with a remarkable portfolio of 24 patents. His innovative contributions primarily focus on refrigeration technologies, showcasing a blend of creativity and engineering expertise.

Latest Patents

Hasegawa's latest inventions include a cold-storage heat exchanger and a sophisticated condenser. The cold-storage heat exchanger features refrigerant tubes with passages designed to enhance efficiency, along with a uniquely bonded cold storage container that encapsulates cold storage material. On the other hand, his condenser design incorporates a core part equipped with multiple modulator tanks and a header tank engineered to optimize the flow of liquid-phase refrigerant.

Career Highlights

Throughout his career, Hasegawa has been affiliated with reputable companies such as Denso Corporation and Nippondenso Co., Ltd., where he has been instrumental in advancing refrigeration technologies. His contributions have significantly influenced the quality and efficiency of refrigeration systems in various applications.

Collaborations

In the course of his innovative journey, Hasegawa has collaborated with notable individuals in the field, including Masaaki Kawakubo and Yoshiki Katoh. These collaborations have fostered a rich environment for creativity and problem-solving, enhancing the impact of his work in the industry.

Conclusion

Etsuo Hasegawa stands out as a significant figure in the realm of refrigeration technology. His inventive spirit and dedication to innovation continue to inspire current and future generations of engineers and inventors. With a solid foundation of patents and collaborative efforts, Hasegawa's contributions are set to shape the future of the refrigeration industry.

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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