Osaka, Japan

Yohei Koyama

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

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yohei Koyama. Retrieved from https://idiyas.com/inventor/yohei-koyama-bcw4prhs

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

 

Average Co-Inventor Count = 9.0

ph-index = 1


Company Filing History:


Years Active: 2025

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2 patents (USPTO):Explore Patents

Title: Yohei Koyama: Innovator in Air Conditioning Technology

Introduction

Yohei Koyama is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of air conditioning technology. With a total of 2 patents to his name, Koyama's work focuses on enhancing the efficiency and functionality of air conditioning systems.

Latest Patents

Koyama's latest patents include an innovative indoor unit for air conditioners. This unit features a power receiving circuit, a low-frequency transmission and reception circuit, and a high-frequency transmission and reception circuit. The design allows for effective communication between the indoor and outdoor units of the air conditioner. The inner-controller intelligently selects the appropriate transmission circuit based on the communication state. Another patent involves air conditioning-related equipment that includes a connection circuit with an isolation feature, ensuring that power transmission does not interfere with communication signals.

Career Highlights

Koyama is currently employed at Daikin Industries, Ltd., a leading company in the air conditioning industry. His work at Daikin has allowed him to develop cutting-edge technologies that improve air conditioning systems. His contributions have been instrumental in advancing the efficiency and reliability of these systems.

Collaborations

Koyama has collaborated with talented coworkers such as Shin Higashiyama and Kosuke Hotta. Their combined expertise has fostered innovation and creativity in their projects.

Conclusion

Yohei Koyama is a prominent figure in air conditioning technology, with a focus on improving system communication and efficiency. His patents reflect his commitment to innovation in this essential 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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