Higashihiroshima, Japan

Shoichi Toyokawa

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Mazda Motor Corporation. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoichi Toyokawa. Retrieved from https://idiyas.com/inventor/shoichi-toyokawa

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 = 9.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2012

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Shoichi Toyokawa

Introduction

Shoichi Toyokawa is a notable inventor based in Higashihiroshimashi, Japan. He has made significant contributions to the field of internal combustion engine technology. His innovative approach focuses on reducing harmful emissions, particularly nitrate oxide, which is a critical concern in automotive engineering.

Latest Patents

Toyokawa holds a patent for a method and system using a reduction catalyst to reduce nitrate oxide. This patent describes a method of controlling a system that includes an internal combustion engine and a filter in the exhaust passage. The reduction catalyst is positioned downstream of the filter and is capable of reducing nitrate oxide contained in the exhaust gas with a supplied reductant. The method operates in two modes: the first mode involves combusting a first amount of particulate matter trapped in the filter and supplying a first amount of reductant when the trapped particulate matter is below a predetermined amount. The second mode involves combusting a greater amount of particulate matter and supplying a second amount of reductant when the trapped particulate matter meets or exceeds the predetermined amount.

Career Highlights

Shoichi Toyokawa is associated with Mazda Motor Corporation, where he has been instrumental in developing technologies aimed at improving vehicle emissions. His work has contributed to the advancement of cleaner automotive technologies, aligning with global efforts to reduce environmental impact.

Collaborations

Toyokawa has collaborated with notable colleagues, including Masatsugu Sakimoto and Hiromu Sugano. Their combined expertise has fostered innovation within the automotive sector, particularly in emission control technologies.

Conclusion

Shoichi Toyokawa's contributions to the field of automotive engineering, particularly through his patent on reducing nitrate oxide emissions, highlight his commitment to innovation and environmental sustainability. His work at Mazda Motor Corporation continues to influence the development of cleaner technologies 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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