Nagoya, Japan

Shigeo Sakai

This inventor holds 3 USPTO granted patents. Top assignee: Mitsubishi Jukogyo Kabushiki Kaisha. Active years: 1994-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Sakai. Retrieved from https://idiyas.com/inventor/shigeo-sakai-2pvg92cp

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 = 4.7

ph-index = 3

Forward Citations = 93(Granted Patents)


Company Filing History:


Years Active: 1994-1996

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3 patents (USPTO):Explore Patents

Title: Shigeo Sakai: Innovator in Heat Exchanger Technology

Introduction

Shigeo Sakai is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of heat exchanger technology, holding a total of 3 patents. His innovative designs focus on improving the efficiency and reliability of heat exchangers, which are crucial components in various industrial applications.

Latest Patents

Sakai's latest patents include a method of manufacturing a stacked heat exchanger. This invention features separate flow paths formed by corrugated inner fins, which enhance the flow of refrigerant and prevent stagnation at critical points. The design limits the separation of refrigerant into gas and liquid phases, ensuring a more efficient operation. Additionally, the method improves the reliability of the flat tube used in the heat exchanger, effectively preventing refrigerant leakage.

Career Highlights

Shigeo Sakai is associated with Mitsubishi Jukogyo Kabushiki Kaisha, a leading company in the manufacturing sector. His work has been instrumental in advancing the technology behind heat exchangers, making them more efficient and reliable for various applications.

Collaborations

Sakai has collaborated with notable coworkers, including Masateru Hayashi and Hiroshi Iokawa. Their combined expertise has contributed to the successful development of innovative solutions in heat exchanger technology.

Conclusion

Shigeo Sakai's contributions to heat exchanger technology exemplify the importance of innovation in engineering. His patents reflect a commitment to enhancing efficiency and reliability in industrial applications.

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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