Sakai, Japan

Shigeaki Umeyama

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Daikin Industries, Ltd.. Active years: 2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeaki Umeyama. Retrieved from https://idiyas.com/inventor/shigeaki-umeyama

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



Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2009

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1 patent (USPTO):Explore Patents

Title: Shigeaki Umeyama: Innovator in Air Conditioning Technology

Introduction

Shigeaki Umeyama is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of air conditioning technology. His innovative approach has led to the development of a unique air conditioning system that enhances efficiency and functionality.

Latest Patents

Umeyama holds a patent for an air conditioner with an oil recovery function. This invention features a refrigerant circuit that includes a heat source heat exchanger. The design allows refrigerant to flow in from below and out from above when the heat source heat exchanger operates as an evaporator. The system also incorporates a first bypass circuit that enables the refrigerant discharged from a compression mechanism to be redirected back to the intake side of the compression mechanism. This innovative design ensures that refrigerating machine oil accumulating inside the heat source heat exchanger is effectively returned to the intake side, enhancing the overall efficiency of the air conditioning system. He has 1 patent to his name.

Career Highlights

Shigeaki Umeyama is currently employed at Daikin Industries, Ltd., a leading company in the air conditioning and refrigeration industry. His work at Daikin has allowed him to focus on developing advanced technologies that improve energy efficiency and environmental sustainability in air conditioning systems.

Collaborations

Umeyama has collaborated with notable colleagues such as Masahiro Honda and Yasushi Hori. Their combined expertise has contributed to the advancement of innovative solutions in the air conditioning sector.

Conclusion

Shigeaki Umeyama's contributions to air conditioning technology exemplify the impact of innovation in enhancing energy efficiency. His patented air conditioner with an oil recovery function showcases his commitment to developing sustainable solutions in the 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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