Tokyo, Japan

Kazunori Sakanobe

This inventor holds 30 USPTO granted patents and 6 published patent applications and 22 EPO patents, primarily in Air Conditioning Technology. Top assignees: Mitsubishi Electric Corporation, Mitsubishi Denki Kabushiki Kaisha. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazunori Sakanobe. Retrieved from https://idiyas.com/inventor/kazunori-sakanobe

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

USPTO Granted Patents = 30 

% Patents Active = 66.7

 

Average Co-Inventor Count = 4.8

ph-index = 6

Forward Citations = 126(Granted Patents)


Company Filing History:


Years Active: 2009-2025

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Areas of Expertise:
Power Conversion
Air Conditioning
Electric Motor
Refrigeration Cycle
Diagnostic Device
Inverter
Compressor
Molded Stator
Rotor
Pump Manufacturing
PWM Signal Generation
Overcurrent Detection
30 patents (USPTO):Explore Patents

Title: Kazunori Sakanobe: Innovator in Refrigeration and Motor Technology

Introduction

Kazunori Sakanobe, based in Tokyo, Japan, is a prominent inventor with an impressive portfolio of 29 patents. His innovative contributions primarily focus on refrigeration and air-conditioning systems, as well as failure diagnosis methods for motor technologies.

Latest Patents

Sakanobe's latest patents showcase his expertise and creativity within the field. One of his notable inventions is a refrigerating and air-conditioning apparatus, designed to efficiently perform defrosting operations. This apparatus integrates a refrigerant circuit consisting of a compressor, heat exchangers, an expansion device, and a four-way valve, which facilitates the circulation of refrigerant. Additionally, it includes a temperature sensor to monitor the compressor’s temperature, along with a heat generation control unit that adjusts the compressor's temperature to optimize defrosting performance.

In another significant achievement, he developed a failure diagnosis apparatus, training apparatus, training method, and failure diagnosis system. This innovative system employs a controller to manage motor drive, along with a wear estimator that evaluates the wear on motor bearings by analyzing the current flow. The apparatus is capable of diagnosing motor failures based on the wear measurements and notifying users, thus enhancing operational efficiency and safety.

Career Highlights

Kazunori Sakanobe has significantly contributed to the engineering sectors during his career. He notably worked with Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha, where he developed many of his groundbreaking inventions. His background at these esteemed companies underscores his dedication to advancing technology in refrigeration and electrical systems.

Collaborations

Throughout his career, Sakanobe has collaborated with talented professionals, including Hiroki Aso and Mineo Yamamoto. These partnerships have enabled him to enhance his research and development efforts, leading to successful innovations in his field.

Conclusion

Kazunori Sakanobe stands out as an influential inventor whose work continues to impact the refrigeration and motor technology industries. With 29 patents and ongoing contributions, Sakanobe's dedication to innovation not only highlights his capabilities as an inventor but also enriches the technological landscape in Japan and beyond.

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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