Fujisawa, Japan

Noriyoshi Maruyama

This inventor holds 3 USPTO granted patents and 2 EPO patents. Top assignee: Nissan Motor Company Limited. Active years: 2010-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noriyoshi Maruyama. Retrieved from https://idiyas.com/inventor/noriyoshi-maruyama

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 = 1.5

ph-index = 1

Forward Citations = 7(Granted Patents)


Location History:

  • Fijisawa, JP (2011)
  • Fujisawa, JP (2010 - 2014)

Company Filing History:


Years Active: 2010-2014

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3 patents (USPTO):Explore Patents

Title: Noriyoshi Maruyama: Innovator in Fuel Pump Technology

Introduction

Noriyoshi Maruyama is a distinguished inventor based in Fujisawa, Japan. He has made significant contributions to the field of automotive technology, particularly in fuel pump systems. With a total of three patents to his name, Maruyama's innovations have enhanced the efficiency and reliability of internal combustion engines.

Latest Patents

One of Maruyama's latest patents is a high-pressure fuel pump. This innovative pump pressurizes and supplies fuel by driving a cam that causes a plunger to reciprocate. The design includes a lifter guide with a guide hole, allowing a lifter to slide freely and transmit driving force from the cam to the plunger. Additionally, it features an oil collection portion that stores lubricating oil, ensuring optimal performance and reducing wear on the lifter. Another notable patent is the slippage prevention mechanism for a toothed endless torque transmission member. This mechanism prevents slippage of the timing chain with respect to the sprocket, enhancing the reliability of the engine's timing system.

Career Highlights

Maruyama is currently employed at Nissan Motor Company Limited, where he continues to develop innovative automotive technologies. His work has been instrumental in advancing the performance of fuel systems and engine components.

Collaborations

Throughout his career, Maruyama has collaborated with talented colleagues, including Takuya Hirata and Tomoyuki Koike. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Noriyoshi Maruyama's contributions to automotive technology, particularly in fuel pump systems, demonstrate his commitment to innovation. His patents reflect a deep understanding of engineering principles and a dedication to improving vehicle 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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