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For the Inventor, By the Inventor

Tochigi, Japan

Yuji Okuyama

This inventor holds 6 USPTO granted patents. Top assignee: Nissan Motor Company Limited. Active years: 1989-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Okuyama. Retrieved from https://idiyas.com/inventor/yuji-okuyama

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 5

Forward Citations = 162(Granted Patents)


Location History:

  • Atsugi, JP (1989)
  • Tochigi, JP (1991 - 1992)

Company Filing History:

goldMedal6 out of 13,420 
 
Nissan Motor Company Limited
 patents

Years Active: 1989-1992

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6 patents (USPTO):Explore Patents
1. 5173857 - Automotive suspension system with feature of prevention of sudden change (1992-12-22),
2. 5131676 - Suspension control system with monitoring of inertia force with high (1992-07-21),
3. 5090727 - Suspension control system with vehicular driving condition dependent (1992-02-25),
4. 5085458 - Attitude change suppression control system for active suspension system (1992-02-04),
5. 5037128 - Active suspension system with enhanced stability (1991-08-06),
6. 4878557 - Auxiliary steering system for wheeled vehicle (1989-11-07),

Title: Yuji Okuyama: Innovator in Automotive Suspension Systems

Introduction

Yuji Okuyama is a prominent inventor based in Tochigi, Japan. He has made significant contributions to the field of automotive engineering, particularly in suspension systems. With a total of 6 patents to his name, Okuyama's work focuses on enhancing vehicle performance and safety.

Latest Patents

One of his latest patents is an automotive suspension system designed to prevent sudden changes in vehicular attitude. This innovative suspension control system adjusts damping characteristics based on the acceleration exerted on the vehicle's body. The system derives a suspension control command value that varies depending on the magnitude of the acceleration influencing the vehicle's attitude. Notably, the variation rate of the suspension control command value decreases as the acceleration increases, ensuring a smoother ride.

Another significant patent involves a suspension control system that monitors inertial forces affecting vehicular attitude. This system utilizes an acceleration sensor to track these forces and includes a mechanism to lower the output signal level of the sensor. This adjustment eliminates errors related to the sensor's resonance frequency, resulting in more accurate inertially indicative data.

Career Highlights

Yuji Okuyama is currently employed at Nissan Motor Company Limited, where he continues to innovate in automotive technology. His work has been instrumental in developing advanced suspension systems that enhance vehicle stability and comfort.

Collaborations

Throughout his career, Okuyama has collaborated with notable colleagues, including Katsuya Kii and Kazuo Mori. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

In summary, Yuji Okuyama is a distinguished inventor whose work in automotive suspension systems has significantly impacted vehicle safety and performance. His innovative patents reflect his commitment to advancing automotive technology.

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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