Higashihiroshima, Japan

Ichiro Yamagata

This inventor holds 1 USPTO granted patent. Top assignee: Mazda Motor Corporation. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ichiro Yamagata. Retrieved from https://idiyas.com/inventor/ichiro-yamagata-4lfuxgv4

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 = 4.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Ichiro Yamagata: Innovator in Alcohol Engine Technology

Introduction

Ichiro Yamagata is a notable inventor based in Higashihiroshima, Japan. He has made significant contributions to the field of engine technology, particularly focusing on alcohol engines. His innovative work has led to the development of a unique patent that enhances the efficiency of these engines.

Latest Patents

Ichiro Yamagata holds a patent for an "Air-fuel ratio control apparatus for an alcohol engine." This apparatus is designed to optimize the air-fuel ratio in engines that utilize fuel containing an alcohol component. The system employs an O₂ sensor to detect the oxygen density in the exhaust gas, allowing for adjustments to the air-fuel ratio to align with theoretical values. Additionally, the apparatus includes engine load detection mechanisms that enable the control unit to modify the air-fuel ratio based on engine load, ensuring richer fuel mixtures when the load is lower.

Career Highlights

Ichiro Yamagata is associated with Mazda Motor Corporation, where he has been instrumental in advancing engine technology. His work has not only contributed to the efficiency of alcohol engines but has also positioned Mazda as a leader in innovative automotive solutions.

Collaborations

Ichiro has collaborated with notable colleagues such as Kiyotaka Mamiya and Katuhiro Yokomizo. Their combined expertise has fostered a creative environment that encourages the development of cutting-edge technologies in the automotive sector.

Conclusion

Ichiro Yamagata's contributions to alcohol engine technology exemplify the spirit of innovation in the automotive industry. His patent and collaborative efforts continue to influence the development of more efficient and environmentally friendly engines.

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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