Nagoya, Japan

Koushi Kumagai

This inventor holds 6 USPTO granted patents. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2001-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koushi Kumagai. Retrieved from https://idiyas.com/inventor/koushi-kumagai

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 81(Granted Patents)


Location History:

  • Seto, JP (2001 - 2002)
  • Nagoya, JP (2010 - 2019)

Company Filing History:


Years Active: 2001-2019

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6 patents (USPTO):Explore Patents

Title: Koushi Kumagai: Innovator in Vehicle Safety Engineering

Introduction

Koushi Kumagai is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of vehicle safety engineering, holding a total of 6 patents. His work focuses on enhancing the structural integrity of vehicles, particularly in the event of collisions.

Latest Patents

One of Kumagai's latest patents involves a vehicle lower portion structure. This innovation features a reinforcement member that is strategically disposed at the front portion of a floor panel. The reinforcement member is angled toward the vehicle's width direction, progressing from an outer position to the rear side of the floor panel. The outer end of this member is joined to a rocker, while the inner end connects to a floor tunnel portion. This design ensures that during a frontal collision, the collision load is directed in an oblique manner, enhancing the vehicle's safety.

Career Highlights

Koushi Kumagai is associated with Toyota Jidosha Kabushiki Kaisha, a leading automotive manufacturer. His work at Toyota has allowed him to focus on innovative safety solutions that protect passengers during accidents. His patents reflect a deep understanding of vehicle dynamics and safety requirements.

Collaborations

Kumagai has collaborated with notable colleagues, including Makoto Hamada and Osamu Fukawatase. Their combined expertise has contributed to the development of advanced safety features in modern vehicles.

Conclusion

Koushi Kumagai's contributions to vehicle safety through his innovative patents demonstrate his commitment to enhancing automotive engineering. His work continues to influence the industry and improve passenger safety in vehicles.

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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