Hirakata, Japan

Toshio Utagawa

This inventor holds 2 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Toyota Jidosha Kabushiki Kaisha. Active years: 1984-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Utagawa. Retrieved from https://idiyas.com/inventor/toshio-utagawa

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 = 4.8

ph-index = 2

Forward Citations = 30(Granted Patents)


Company Filing History:


Years Active: 1984-1986

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2 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Toshio Utagawa

Introduction

Toshio Utagawa is a notable inventor based in Hirakata, Japan. He has made significant contributions to the field of air-conditioning technology, holding a total of 2 patents. His work reflects a commitment to enhancing the efficiency and functionality of climate control systems.

Latest Patents

One of Utagawa's latest patents is a heat exchanger apparatus designed for an air-conditioning machine. This innovative machine features blocks within the same box body that include an indoor-air circulation wind passage, an outdoor-air circulation wind passage, and a ventilation wind passage. The apparatus incorporates an opposite-flow heat exchanger that recovers heat from the ventilation wind passage. One of the two opposite faces of the heat exchanger has openings that face the outdoor-air circulation wind passage, while the other face faces the indoor-air circulation wind passage. Additionally, shutters or dampers are provided on both faces, allowing for functions such as cooling and heating, heating and exchange ventilation, and simultaneous feed and exhaust non-heat-exchange ventilation.

Career Highlights

Throughout his career, Toshio Utagawa has worked with prominent companies, including Toyota Motor Corporation and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced air-conditioning technologies.

Collaborations

Utagawa has collaborated with notable colleagues, including Akira Aoki and Nobuyuki Yano. These partnerships have likely fostered innovation and creativity in his projects.

Conclusion

Toshio Utagawa's contributions to air-conditioning technology through his patents demonstrate his innovative spirit and dedication to improving climate control systems. His work continues to influence the industry and inspire future advancements.

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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