Konan, Japan

Nakajima Nobuyuki

This inventor holds 1 USPTO granted patent. Top assignee: Diesel Kiki Co., Ltd.. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nakajima Nobuyuki. Retrieved from https://idiyas.com/inventor/nakajima-nobuyuki

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 = 2.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Nakajima Nobuyuki: Innovator in Compressor Technology

Introduction

Nakajima Nobuyuki is a prominent inventor based in Konan, Japan. He is known for his significant contributions to the field of compressor technology. With a focus on enhancing the efficiency and functionality of compressors, Nobuyuki has made strides in innovation.

Latest Patents

Nobuyuki holds a patent for a sliding-vane rotary compressor with a displacement-adjusting mechanism. This innovative design includes a first control valve that responds to the pressure in a low-pressure chamber, allowing for the adjustment of communication between the high-pressure and low-pressure sides. Additionally, a second control valve operates similarly under the control of an external signal. This construction enables optimal displacement control of the compressor. Furthermore, the patent discloses an apparatus for controlling a variable displacement compressor, where a solenoid valve is managed based on internal and external thermal load conditions, selectively blocking fluid communication between the high and low-pressure sides.

Career Highlights

Nobuyuki is associated with Diesel Kiki Co., Ltd., where he has applied his expertise in compressor technology. His work has contributed to advancements in the efficiency and performance of rotary compressors.

Collaborations

Nobuyuki has collaborated with Shigeru Okada, further enhancing the development of innovative solutions in the field of compressor technology.

Conclusion

Nakajima Nobuyuki's contributions to compressor technology, particularly through his patented designs, highlight his role as an influential inventor in the industry. His work continues to impact the efficiency of rotary compressors, showcasing the importance of innovation in engineering.

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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