Nagoya, Japan

Naoyuki Tagawa

This inventor holds 17 USPTO granted patents and 2 published patent applications. Top assignees: Aisan Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 2016-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoyuki Tagawa. Retrieved from https://idiyas.com/inventor/naoyuki-tagawa

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

USPTO Granted Patents = 17 

% Patents Active = 58.8

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 2016-2018

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17 patents (USPTO):Explore Patents

Title: Naoyuki Tagawa: Pioneer in Fuel Vapor Processing Technologies

Introduction: Naoyuki Tagawa is an acclaimed inventor based in Nagoya, Japan, known for his significant contributions to fuel vapor processing technologies. With an impressive portfolio of 17 patents, Tagawa has made invaluable advancements in environmental efficiency within the automotive sector.

Latest Patents: Among his notable innovations, Tagawa's recent patents include a sophisticated fuel vapor processing apparatus designed to manage vapor emissions effectively. One notable patent describes a system featuring an adsorbent canister and a vapor path that connects to a fuel tank. It incorporates a flow control valve that is programmed to adjust its opening speed based on the movement distance of the valve body. This innovation enhances fuel efficiency and reduces harmful emissions. Another patent discusses a similar apparatus that includes a movable valve member controlled by an actuator, which adjusts based on the internal pressure of the fuel tank compared to a target pressure. These advancements highlight Tagawa's commitment to developing technologies that promote sustainability.

Career Highlights: Tagawa's career includes pivotal roles at prominent automotive companies, notably Aisan Kogyo Co., Ltd. and Toyota Motor Corporation. His experiences at these leading firms have contributed significantly to his understanding of fuel systems and emissions control, enabling him to design groundbreaking inventions in this field.

Collaborations: Throughout his career, Tagawa has worked alongside esteemed colleagues, including Minoru Akita and Yoshikazu Miyabe. These collaborations have allowed him to pool expertise and drive forward innovation in fuel processing technologies.

Conclusion: Naoyuki Tagawa stands as a prominent figure in the automotive innovation landscape, with his 17 patents underscoring his dedication to improving fuel vapor processing systems. His work not only reflects his individual ingenuity but also emphasizes the collective efforts of industry professionals collaborating towards a more sustainable future in automotive technology.

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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