Aki-gun, Japan

Yodai Yamaguchi

This inventor holds 12 USPTO granted patents. Top assignee: Mazda Motor Corporation. Active years: 2021-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yodai Yamaguchi. Retrieved from https://idiyas.com/inventor/yodai-yamaguchi

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


% Patents Active = 66.7

Average Co-Inventor Count = 14.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2021-2022

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12 patents (USPTO):Explore Patents

Title: The Innovations of Yodai Yamaguchi: Leading Patents in Engine Control Technology

Introduction

Yodai Yamaguchi, a prominent inventor based in Aki-gun, Japan, has made significant contributions to the field of engine technology, with a total of 12 patents to his name. His inventive work has played a crucial role in advancing the efficiency and performance of compression-ignition engines.

Latest Patents

One of Yamaguchi's latest patents is a control apparatus for compression-ignition type engines. This advanced engine control apparatus includes a sophisticated ignition control section and an injection control section. During partial compression ignition combustion, the ignition control section enables two ignition modes: main ignition, where a spark is generated late in the compression stroke or early in the expansion stroke to initiate spark ignition (SI) combustion, and preceding ignition, where the spark is generated earlier than the main ignition. Furthermore, the injection control section strategically times the fuel injection to ensure that fuel is present in the cylinder before the preceding ignition occurs. Notably, the energy for the preceding ignition is adjusted based on in-cylinder temperature and pressure conditions to optimize performance.

Career Highlights

Yodai Yamaguchi is currently employed at Mazda Motor Corporation, where his innovations have had a significant impact on the automotive industry. His commitment to improving engine technology resonates throughout his career, particularly in his ability to address unique challenges in combustion processes.

Collaborations

Throughout his career, Yamaguchi has collaborated with notable colleagues, including Kota Matsumoto and Tomonori Urushihara. Their shared expertise and teamwork have contributed to the successful development of cutting-edge technologies within the automotive field.

Conclusion

In conclusion, Yodai Yamaguchi stands out as a leading inventor in engine control technology, exemplifying the profound impact that innovative ideas can have on the automotive industry. His patents not only showcase his technical skill and creativity but also play a vital role in shaping the future of engine efficiency and performance.

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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