Koga, Japan

Akinari Sugiyama

This inventor holds 9 USPTO granted patents. Top assignees: Kyosan Denki Co., Ltd., Denso Corporation, Toyota Jidosha Kabushiki Kaisha. Active years: 2017-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akinari Sugiyama. Retrieved from https://idiyas.com/inventor/akinari-sugiyama-mmwilt6i

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

Calculating rank

% Patents Active = 55.6

Average Co-Inventor Count = 2.6

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2017-2025

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9 patents (USPTO):Explore Patents

Title: Akinari Sugiyama: Innovator in Fuel Tank Technologies

Introduction: Akinari Sugiyama is a renowned inventor based in Koga, Japan. With a remarkable portfolio of nine patents, he has made significant contributions to the field of fuel tank technology. His innovative designs have improved the efficiency and functionality of fuel systems, showcasing his dedication to engineering excellence.

Latest Patents: Among his latest innovations, Sugiyama has developed a control valve for fuel tanks, which includes a sophisticated casing, main float, and a plate that forms the base of the structure. This design integrates a first gas-storage chamber and a sub float arranged above the plate, allowing fuel to flow effectively while maintaining precise control over gas storage. Additionally, he has patented a ventilation control valve for fuel tanks, which is designed to optimize the ventilation passage. The valve operates in synergy with a float that adjusts according to the liquid level, ensuring a seamless transition between open and restricted passage states. This system includes a volume chamber that damps flow, enhancing the reliability of fuel tank operations.

Career Highlights: Akinari Sugiyama has held prominent positions at notable companies such as Kyosan Denki Co., Ltd. and Denso Corporation. His extensive experience in these organizations has allowed him to refine his skills and contribute to the development of cutting-edge technologies in the automotive and fuel industries.

Collaborations: Throughout his career, Sugiyama has collaborated with talented colleagues, including Akihiro Ishitoya and Yutaka Niwa. These partnerships have fostered an environment of creativity and innovation, leading to many of his successful patent applications.

Conclusion: Akinari Sugiyama stands out as an influential inventor in the realm of fuel tank technologies. His patents reflect a profound understanding of engineering principles and a commitment to advancing fuel systems. As he continues to innovate, Sugiyama's contributions are set to impact the industry for years to come.

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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