Tokyo, Japan

Tetsuya Iijima

This inventor holds 23 USPTO granted patents, primarily in Automotive Control Systems. Top assignees: Nissan Motor Company Limited, Nissan North America, Inc.. Active years: 1976-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Iijima. Retrieved from https://idiyas.com/inventor/tetsuya-iijima

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


% Patents Active = 95.7

Average Co-Inventor Count = 1.4

ph-index = 10

Forward Citations = 249(Granted Patents)


Location History:

  • Tokyo, JA (1976)
  • Yamato, JP (1983 - 1984)
  • Tokyo, JP (1978 - 2013)

Company Filing History:


Years Active: 1976-2013

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Areas of Expertise:
Vehicle Warning System
Air-Conditioning Method
Velocity Control Apparatus
Automatic Transmission
Hydraulic Control System
Temperature Control Device
Safety Devices
Downshift Control Circuit
Transmission Locking System
Change-Speed Transmission
Control System
23 patents (USPTO):Explore Patents

Title: Tetsuya Iijima: Innovator in On-Board Vehicle Warning Systems

Introduction

Tetsuya Iijima is a prominent inventor based in Tokyo, Japan, recognized for his significant contributions to automotive technology. With an impressive portfolio of 23 patents, Iijima's work focuses on innovations that enhance vehicle safety and compliance with traffic regulations. His inventions exemplify a blend of technological advancement and practical application in the automotive field.

Latest Patents

Among his latest inventions are two notable patents concerning an on-board vehicle warning system and vehicle driver warning method. These patents focus on creating a sophisticated warning system that integrates location detection, traffic regulation retrieval, and potential violation alerts. The system detects a vehicle's geographic location, retrieves relevant intersection regulations, and analyzes incoming traffic status messages to predict potential traffic violations. This innovative solution aims to enhance driver awareness and improve overall road safety.

Career Highlights

Tetsuya Iijima has worked with esteemed organizations, including Nissan Motor Company Limited and Nissan North America, Inc. His career in the automotive industry has allowed him to leverage his technical expertise in developing advanced warning systems that directly contribute to safer driving environments. Throughout his career, Iijima has been dedicated to pushing the boundaries of vehicle technology.

Collaborations

Iijima has collaborated with talented professionals in the field, including Seiichi Takahashi and Roy W. Goudy. These collaborations have played an essential role in amplifying the impact of his innovations on vehicle safety systems. Together, they have worked on projects that enhance the integration of technology within vehicles, ultimately benefiting drivers and passengers alike.

Conclusion

Tetsuya Iijima stands out as a leading figure in automotive innovation, particularly in the realm of on-board vehicle warning systems. His extensive patent portfolio demonstrates his commitment to improving traffic safety and adherence to local regulations. As technology continues to evolve, the contributions of inventors like Iijima will undoubtedly shape the future of the automotive landscape.

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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