Osaka, Japan

Shizuka Sadai

This inventor holds 4 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Daikin Industries, Ltd.. Active years: 2023-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shizuka Sadai. Retrieved from https://idiyas.com/inventor/shizuka-sadai

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.2

ph-index = 1


Company Filing History:


Years Active: 2023-2025

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4 patents (USPTO):Explore Patents

Title: Shizuka Sadai: Innovator in Air Conditioning Technology

Introduction

Shizuka Sadai is a prominent inventor based in Osaka, Japan. She has made significant contributions to the field of air conditioning technology, holding a total of four patents. Her innovative work focuses on improving the efficiency and functionality of refrigerant circuit apparatuses.

Latest Patents

One of her latest patents is a refrigerant circuit apparatus evaluation system. This system accurately determines whether a heat source unit of each refrigerant circuit apparatus adversely affects the operation of another. It includes memory and processing circuitry that acquires operation data on a first air-conditioning apparatus. The processing circuitry assesses whether the operation of a second heat source unit negatively impacts the first heat source unit based on the acquired data.

Another notable patent is for an air conditioning system that includes an air conditioning apparatus and a controller. This controller is connectable to various types of thermostats and performs communication with the connected thermostat. It also conducts performance determination processes for the refrigeration cycle apparatus, adapting its methods based on the type of thermostat connected.

Career Highlights

Shizuka Sadai is currently employed at Daikin Industries, Ltd., a leading company in the air conditioning industry. Her work at Daikin has allowed her to develop and refine her innovative ideas, contributing to the company's reputation for excellence in air conditioning solutions.

Collaborations

Throughout her career, Shizuka has collaborated with notable colleagues, including Shuji Fujimoto and Akihiro Inao. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies in air conditioning.

Conclusion

Shizuka Sadai's contributions to air conditioning technology through her patents and work at Daikin Industries, Ltd. highlight her role as a leading innovator in the field. Her dedication to improving air conditioning systems continues to impact the industry positively.

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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