Konan, Japan

Yasutaka Negishi

This inventor holds 2 USPTO granted patents. Top assignee: Zexel Gmbh. Active years: 1996-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasutaka Negishi. Retrieved from https://idiyas.com/inventor/yasutaka-negishi

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 = 1.6

ph-index = 1

Forward Citations = 30(Granted Patents)


Company Filing History:


Years Active: 1996-2002

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2 patents (USPTO):Explore Patents

Title: Yasutaka Negishi: Innovator in Hybrid Compressor Technology

Introduction

Yasutaka Negishi is a prominent inventor based in Konan, Japan. He has made significant contributions to the field of compressor technology, particularly in hybrid systems. With a total of 2 patents to his name, Negishi's work focuses on enhancing the efficiency and functionality of compressors used in various applications.

Latest Patents

Negishi's latest patents include a hybrid compressor having two drive sources. This innovative design simplifies the structure of the compressor while allowing for easier operation of the compression unit. The patent describes an electromagnetic clutch unit positioned at one end of the rotating shaft, with an electric motor unit located at the opposite end. This configuration enables the direct utilization of existing electromagnetic clutch units while minimizing torsional torque.

Another notable patent is for a compressor control apparatus and method for an automobile. This invention outlines an air-conditioning system that features a compressor driven by an electric motor. The system includes a main condenser for cooling, a subcondenser for heating, and a changeover valve for switching refrigerant paths. The invention allows for efficient heating and cooling operations by adjusting the compressor's revolution based on the discharge temperature of the refrigerant.

Career Highlights

Yasutaka Negishi is currently employed at Zexel GmbH, where he continues to develop innovative solutions in compressor technology. His work has been instrumental in advancing the capabilities of hybrid compressors, making them more efficient and user-friendly.

Collaborations

Negishi has collaborated with notable colleagues such as Yukio Sakurai and Kazuhiro Irie. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in the field.

Conclusion

Yasutaka Negishi's contributions to hybrid compressor technology demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of the complexities involved in compressor design and operation. Through his work at Zexel GmbH and collaborations with esteemed colleagues, Negishi continues to push the boundaries of what is possible in this field.

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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