Shizuoka, Japan

Seiji Sawai

This inventor holds 24 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 8 EPO patents, primarily in Vehicle Suspension Systems. Top assignee: Yamaha Hatsudoki Kabushiki Kaisha. Active years: 1992-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Sawai. Retrieved from https://idiyas.com/inventor/seiji-sawai

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

USPTO Granted Patents = 24 

% Patents Active = 87.5


 

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 156(Granted Patents)


Location History:

  • Iwata, JP (1992 - 2011)
  • Hamamatsu, JP (2014)
  • Shizuoka, JP (2003 - 2021)

Company Filing History:


Years Active: 1992-2021

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Areas of Expertise:
Vehicle
Shock Absorber
Damping System
Snowmobile
Straddle-Type Vehicle
Vibration Damping
Hydraulic Shock Absorber
Suspension Mechanism
Piston Ring
Intake Control
Variable Damping
Reinforcing Member
24 patents (USPTO):Explore Patents

Title: Innovations by Seiji Sawai: Advancements in Vehicle Suspension Systems

Introduction

Seiji Sawai, located in Shizuoka, Japan, is a renowned inventor with a notable portfolio of 24 patents. His innovations primarily focus on vehicle suspension systems, contributing to advancements in automotive engineering. Sawai's work exemplifies the intersection of creativity and technical expertise, pushing the boundaries of vehicle performance and safety.

Latest Patents

Sawai's latest patents illustrate his commitment to improving vehicle dynamics. One of his significant inventions is a front suspension structure designed to maintain appropriate wheel movement when traversing undulating terrain. This invention features rotatable first arms that allow for optimal positioning of the front wheels, enhancing the vehicle's stability and handling. Another notable patent focuses on minimizing toe angle changes in rear wheels during braking. By precisely defining the coupling points of various components, Sawai ensures improved control and responsiveness, significantly enhancing overall vehicle performance.

Career Highlights

Working with Yamaha Hatsudoki Kabushiki Kaisha, a prominent company in the automotive sector, Seiji Sawai has established himself as a leading innovator. His expertise in suspension design has made him an invaluable asset to the company, fostering advancements that influence modern vehicle engineering.

Collaborations

Sawai's journey is complemented by collaborations with esteemed colleagues like Takashi Imamura and Yutaka Yamazaki. Together, they form a dynamic team that strives for excellence, sharing knowledge and driving innovations that elevate the standards in vehicle technology.

Conclusion

In summary, Seiji Sawai's contributions to vehicle suspension systems highlight his inventive spirit and technical skill. Through his innovative patents and collaborative efforts, he continues to shape the future of automotive design, ensuring safer and more efficient vehicles for all. As vehicle technology evolves, Sawai's work remains at the forefront, paving the way for future enhancements in the industry.

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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