Tokyo, Japan

Hiroyasu Yoneyama

This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignee: Hitachi-Johnson Controls Air Conditioning, Inc.. Active years: 2020-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyasu Yoneyama. Retrieved from https://idiyas.com/inventor/hiroyasu-yoneyama

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 = 3.4

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2020-2022

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2 patents (USPTO):Explore Patents

Title: Innovator Hiroyasu Yoneyama: Advancements in Air Conditioning Technology

Introduction: Hiroyasu Yoneyama, based in Tokyo, Japan, is a recognized inventor in the field of air conditioning technology. With a total of two patents to his name, Yoneyama has made significant contributions to energy efficiency and safety in air conditioning systems.

Latest Patents: Yoneyama's latest inventions include a sophisticated air-conditioner designed to manage refrigerant leaks effectively. This innovative system incorporates a refrigerant leak sensor that detects leaks in the refrigerant circuit. Upon identification of a leak, the indoor control circuit takes action by regulating the indoor fan based on the flammability of the refrigerant. His second patent relates to a fan that includes a motor-driven fan member connected via a vibration prevention member. This elastic component minimizes vibrations by ensuring the proper transmission of the motor's turning force while maintaining the structure's integrity.

Career Highlights: Yoneyama is currently employed at Hitachi Johnson Controls Air Conditioning, Inc., where he continues to push the boundaries of air conditioning technology. His work focuses on enhancing the performance and safety of HVAC systems, making them more reliable and environmentally friendly.

Collaborations: Throughout his career, Yoneyama has collaborated with other notable professionals in the industry, including Shunji Sasaki and Yoshiyuki Yamanashi. Together, they have contributed to the development of cutting-edge technologies in air conditioning systems.

Conclusion: Hiroyasu Yoneyama’s innovative spirit and dedication to improving air conditioning technology exemplify the vital role inventors play in advancing everyday products. His patents not only enhance user experience but also prioritize safety and efficiency in HVAC systems. As technology continues to evolve, Yoneyama’s contributions will undoubtedly pave the way for future advancements 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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