Hiroshima, Japan

Susumu Masuyama

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Mazda Motor Corporation. Active years: 2012-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Susumu Masuyama. Retrieved from https://idiyas.com/inventor/susumu-masuyama

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 = 4.1

ph-index = 2

Forward Citations = 32(Granted Patents)


Location History:

  • Higashihiroshima, JP (2012)
  • Hiroshima, JP (2012 - 2016)

Company Filing History:


Years Active: 2012-2016

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3 patents (USPTO):Explore Patents

Title: Susumu Masuyama: Innovator in Direct Injection Engine Technology

Introduction

Susumu Masuyama is a prominent inventor based in Hiroshima, Japan. He has made significant contributions to the field of automotive engineering, particularly in the development of direct injection gasoline engines. With a total of 3 patents, Masuyama's work has been instrumental in enhancing engine performance and efficiency.

Latest Patents

Masuyama's latest patents include innovative technologies that improve the functionality of direct injection engines. One of his notable inventions is a direct injection gasoline engine and method of controlling it. This engine features an ignition assistance section that applies energy to the fuel injected into the cylinder, facilitating auto-ignition combustion. The design allows for precise timing of fuel injection, optimizing combustion efficiency.

Another significant patent involves the exhaust passage structure of a multi-cylinder engine. This design incorporates three or more independent passages connected to different cylinders, enhancing the efficiency of exhaust gas supply to the turbocharger. The arrangement of rotary throttle valves further optimizes the engine's performance by ensuring effective exhaust management.

Career Highlights

Masuyama is currently employed at Mazda Motor Corporation, where he continues to innovate and develop advanced automotive technologies. His work has contributed to Mazda's reputation for engineering excellence and commitment to sustainability.

Collaborations

Throughout his career, Masuyama has collaborated with talented colleagues, including Naoyuki Yamagata and Mikihito Fujii. These partnerships have fostered a creative environment that encourages the development of groundbreaking automotive solutions.

Conclusion

Susumu Masuyama's contributions to direct injection engine technology exemplify his dedication to innovation in the automotive industry. His patents reflect a commitment to enhancing engine performance and efficiency, making a lasting impact on automotive 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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