Shiga, Japan

Hisakazu Sakai

This inventor holds 3 USPTO granted patents and 3 EPO patents. Top assignees: Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd.. Active years: 2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisakazu Sakai. Retrieved from https://idiyas.com/inventor/hisakazu-sakai

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 = 4.6

ph-index = 1


Company Filing History:


Years Active: 2019

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3 patents (USPTO):Explore Patents

Title: Hisakazu Sakai: Innovator in Refrigeration Technology

Introduction

Hisakazu Sakai is a notable inventor based in Shiga, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 3 patents. His innovative designs focus on improving the efficiency and functionality of refrigerators.

Latest Patents

Hisakazu Sakai's latest patents include a refrigerator and an operation method that enhances the defrosting process. The first patent describes a refrigerator that incorporates a compressor, evaporator, main condenser, dew-prevention pipe, and a bypass. This design allows for efficient collection and circulation of refrigerant during defrosting. The second patent outlines a method for controlling a refrigerator that includes a compressor, condenser, decompressor, and evaporator. This method enables normal cooling operations and effective defrosting by managing the flow of refrigerant.

Career Highlights

Throughout his career, Hisakazu Sakai has worked with prominent companies such as Panasonic Corporation and Panasonic Intellectual Property Management Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in refrigeration technology.

Collaborations

Hisakazu has collaborated with talented individuals in the field, including Fuminori Takami and Katsunori Horii. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Hisakazu Sakai is a distinguished inventor whose work in refrigeration technology has led to valuable patents and advancements in the industry. His contributions continue to influence the design and functionality of modern refrigerators.

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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