Sakura, Japan

Yoshihito Hashimoto

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Johnson Matthey Public Limited Company, Yanmar Co., Ltd.. Active years: 2017-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihito Hashimoto. Retrieved from https://idiyas.com/inventor/yoshihito-hashimoto-rl1ucmbh

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 6.4

ph-index = 3

Forward Citations = 26(Granted Patents)


Company Filing History:


Years Active: 2017-2020

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4 patents (USPTO):Explore Patents

Title: The Innovative Mind of Yoshihito Hashimoto

Introduction: Yoshihito Hashimoto is a distinguished inventor based in Sakura, Japan. With a total of four patents to his name, Hashimoto is recognized for his significant contributions to the field of diesel engine technology, particularly in the development of advanced oxidation catalysts. His innovations exemplify the ongoing efforts to enhance vehicle emissions control systems and reduce environmental impact.

Latest Patents: Among Hashimoto's latest patents is the "Zoned Diesel Oxidation Catalyst." This inventive oxidation catalyst is designed to treat exhaust gas from diesel engines and comprises a substrate with multiple washcoat regions, each containing different platinum group metals and support materials. The design allows for flexibility in the arrangement of the washcoat regions, aimed at optimizing the efficiency of the catalyst. Another noteworthy patent is the "Oxidation Catalyst for Diesel Engines," which features distinct catalyst layers optimized for enhancing the oxidation efficiency of exhaust gases. This catalyst design incorporates both palladium and platinum in a strategic configuration to ensure effective treatment of diesel emissions.

Career Highlights: Throughout his career, Yoshihito Hashimoto has worked with renowned companies specializing in emission control technologies. Notably, he has been associated with Johnson Matthey Public Limited Company and Yanmar Co., Ltd., where he advanced his expertise in catalysis and engine performance.

Collaborations: Hashimoto's work has been enriched through collaborations with esteemed professionals in the industry. Among his notable coworkers are Masahito Shibata and Penelope Markatou, who have contributed to the development and refinement of technologies aimed at improving diesel engine efficiency and compliance with environmental regulations.

Conclusion: Yoshihito Hashimoto's innovative spirit and dedication to enhancing diesel engine technology place him among the notable inventors in the field. With several patents reflecting his expertise, Hashimoto continues to contribute to the progress of emissions control technologies and serves as an inspiration for future innovations in the automotive industry.

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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