Okazaki, Japan

Shunichi Tsutsuji

This inventor holds 4 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2016-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shunichi Tsutsuji. Retrieved from https://idiyas.com/inventor/shunichi-tsutsuji

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

USPTO Granted Patents = 4 

% Patents Active = 50.0

 

Average Co-Inventor Count = 1.3

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2016-2026

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4 patents (USPTO):Explore Patents

Title: Shunichi Tsutsuji: Innovator in Internal Combustion Engine Technology

Introduction

Shunichi Tsutsuji is a notable inventor based in Okazaki, Japan. He has made significant contributions to the field of internal combustion engine technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and reliability of engine components, particularly in relation to EGR (Exhaust Gas Recirculation) systems.

Latest Patents

Tsutsuji's latest patents include an EGR valve deterioration degree calculation system and a control device for internal combustion engines. The EGR valve deterioration degree calculation system is designed to assess the condition of an EGR valve by performing several processes. These processes include acquiring pressure data, calculating pressure change amounts during valve operation, determining differential pressure when the valve is closed, and ultimately calculating the degree of deterioration based on these measurements. Another significant invention is the fuel pressure sensor abnormality diagnosis apparatus, which identifies abnormalities in fuel pressure sensors by monitoring the fuel discharge amount of the fuel pump and comparing it to target values.

Career Highlights

Shunichi Tsutsuji is currently employed at Toyota Jidosha Kabushiki Kaisha, a leading automotive manufacturer. His work at Toyota has allowed him to apply his innovative ideas in a practical setting, contributing to advancements in vehicle technology.

Collaborations

Tsutsuji collaborates with talented colleagues, including Koji Honda and Makiko Nakayama. Their combined expertise fosters a creative environment that drives innovation within the company.

Conclusion

Shunichi Tsutsuji is a prominent figure in the realm of internal combustion engine technology, with a focus on improving EGR systems. His patents reflect his commitment to innovation and excellence in engineering.

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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