Tochigi, Japan

Syoji Takaku

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Syoji Takaku. Retrieved from https://idiyas.com/inventor/syoji-takaku

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 = 7.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Syoji Takaku: Innovator in Air-Conditioning Technology

Introduction

Syoji Takaku is a notable inventor based in Tochigi-ken, Japan. He has made significant contributions to the field of air-conditioning technology, particularly through his innovative patent.

Latest Patents

One of Syoji Takaku's key patents is for an air-conditioner employing a non-azeotrope refrigerant. This invention features a heat pump type refrigeration cycle that includes an interior heat exchanger, an exterior heat exchanger, a compressor, a four-way valve, and an expansion mechanism. The system utilizes a non-azeotrope refrigerant composed of at least two kinds of refrigerants as a working medium. The refrigerant path in both the interior and exterior heat exchangers is divided into two groups of passages, optimizing the efficiency of heat transfer.

Career Highlights

Syoji Takaku is associated with Hitachi, Ltd., where he has been able to apply his expertise in developing advanced air-conditioning systems. His work has contributed to the enhancement of energy efficiency and performance in HVAC technologies.

Collaborations

Throughout his career, Syoji has collaborated with notable colleagues, including Mituo Kudoh and Toshihiko Fukushima. These partnerships have fostered innovation and development in their respective fields.

Conclusion

Syoji Takaku's contributions to air-conditioning technology through his patent demonstrate his commitment to innovation and efficiency. His work continues to influence the industry and improve the performance of HVAC 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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