Osaka, Japan

Kouji Tatsumi

This inventor holds 8 USPTO granted patents and 6 published patent applications and 5 EPO patents. Top assignee: Daikin Industries, Ltd.. Active years: 2021-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Tatsumi. Retrieved from https://idiyas.com/inventor/kouji-tatsumi

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

USPTO Granted Patents = 8 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.3

ph-index = 2

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 2021-2025

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8 patents (USPTO):Explore Patents

Title: Innovations by Kouji Tatsumi in Air Conditioning Technology

Introduction

Kouji Tatsumi is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of air conditioning technology, holding a total of 8 patents. His work focuses on moderating energy consumption in air conditioning systems, showcasing his commitment to innovation and efficiency.

Latest Patents

Tatsumi's latest patents include an advanced air conditioning system designed to control the supply of conditioned air. This system aims to reduce energy consumption by optimizing the operation of heat source components. The heat exchanger unit features a use side heat exchanger, while multiple ducts distribute the conditioned air throughout the space. Each fan unit is equipped with a motor that adjusts the air supply amount, allowing for precise control over the conditioned air delivered to the environment.

Another notable patent is his air supply system, which addresses excess energy consumption in fan operations. This system includes a second unit with a fan that supplies air to a designated space. A duct connects the first and second units, while a remote sensor detects air quality in the target area. The main controller communicates with both the second unit and the sensor, ensuring that the air flow volume is optimized based on real-time data.

Career Highlights

Kouji Tatsumi is currently employed at Daikin Industries, Ltd., a leading company in the air conditioning sector. His innovative designs and patents have significantly impacted the efficiency and functionality of air conditioning systems. Tatsumi's work exemplifies the integration of technology and environmental consciousness in modern HVAC solutions.

Collaborations

Throughout his career, Tatsumi has collaborated with notable colleagues, including Yasunori Okamoto and Naotoshi Fujita. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in air conditioning.

Conclusion

Kouji Tatsumi's contributions to air conditioning technology reflect his dedication to innovation and energy efficiency. His patents not only enhance the functionality of air conditioning systems but also promote sustainable practices in the industry.

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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