Gunma, Japan

Nobuhiro Idei

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignees: Sanyo Electric Co., Ltd., Sanyo Electronic Co., Ltd.. Active years: 1998-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuhiro Idei. Retrieved from https://idiyas.com/inventor/nobuhiro-idei

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 = 4.9

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Ohra-gun, JP (1998)
  • Gunma-ken, JP (1999 - 2001)

Company Filing History:


Years Active: 1998-2001

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5 patents (USPTO):Explore Patents

Title: Nobuhiro Idei: Innovator in Air Conditioning Technology

Introduction

Nobuhiro Idei is a notable inventor from Gunma-ken, Japan, recognized for his contributions to air conditioning technology. He holds five patents that showcase his innovative approach to improving air conditioning systems. His work has significantly impacted the efficiency and functionality of these systems.

Latest Patents

One of Idei's latest patents describes an air conditioning system that includes a heat source side machine and multiple user side machines, with more than half positioned below the heat source. This system utilizes a phase-changeable fluid that circulates based on the specific gravity difference between its liquid and gas phases. The design allows for effective cooling and heating operations across various user side machines. Another patent elaborates on a similar air conditioning system, emphasizing the importance of flow control valves and heat exchangers to optimize performance, especially in buildings with multiple floors. This innovation addresses the challenges of fluid circulation in higher floors, ensuring efficient air conditioning even under varying load conditions.

Career Highlights

Throughout his career, Nobuhiro Idei has worked with prominent companies such as Sanyo Electric Co., Ltd. and Sanyo Electronic Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced air conditioning technologies.

Collaborations

Idei has collaborated with notable colleagues, including Hidetoshi Arima and Masashi Izumi. Their combined efforts have fostered innovation in the field of air conditioning systems.

Conclusion

Nobuhiro Idei's contributions to air conditioning technology through his patents reflect his innovative spirit and dedication to improving energy efficiency. His work continues to influence the industry and enhance user comfort in various environments.

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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