Obu, Japan

Yoshimasa Ito

This inventor holds 4 USPTO granted patents. Top assignees: Aisan Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 1991-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshimasa Ito. Retrieved from https://idiyas.com/inventor/yoshimasa-ito-g2ejuts7

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 2

Forward Citations = 21(Granted Patents)


Location History:

  • Obu, JP (1991 - 1992)
  • Mie-gun, JP (2016)

Company Filing History:


Years Active: 1991-2025

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4 patents (USPTO):Explore Patents

Title: The Innovations of Yoshimasa Ito: A Pioneer in Automotive Technology

Introduction

Yoshimasa Ito, an inventive mind hailing from Obu, Japan, has made significant contributions to automotive technology through his innovative inventions. With a remarkable portfolio consisting of three patents, Ito has been at the forefront of developing solutions that enhance vehicle performance and efficiency.

Latest Patents

One of Ito's notable patents is the exhaust gas recirculation (EGR) valve, which features a unique design where a valve element is precisely moved with respect to a valve seat. This mechanism allows for the adjustment of the passage section width in the measuring section, thereby effectively regulating the EGR gas flow rate. The intricacies of the valve design include a concave-shaped inner circumferential surface that promotes better flow dynamics.

In addition to the EGR valve, Ito also developed a motor-driven fuel pump, characterized by a cylindrical housing that houses both a pump section and a motor section. This innovative design not only optimizes space by featuring a cover member that increases the wall thickness without extending the overall length but also significantly reduces sound emanating from the motor section, contributing to quieter operation in vehicles.

Career Highlights

Yoshimasa Ito has had an illustrious career, with significant tenures at Aisan Kogyo Company and Toyota Motor Corporation. His work at these esteemed automotive manufacturers has shaped his expertise and provided a platform for innovative advancements in automotive technology.

Collaborations

Throughout his career, Ito has collaborated with notable colleagues, including Shigeru Yoshida and Shoichi Yamamoto. These partnerships have enriched his work and broadened the impact of his inventions within the industry.

Conclusion

Yoshimasa Ito's contributions to the automotive field through his patents highlight the importance of innovation in driving technological advancement. His work continues to influence the industry, making vehicles more efficient and environmentally friendly. With a proven track record and collaborative spirit, Ito remains a key figure in shaping the future of automotive technologies.

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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