Aichi, Japan

Tadashi Fujii

This inventor holds 6 USPTO granted patents and 2 EPO patents. Top assignees: Central Japan Railway Company, Hitachi, Ltd., A & F Corporation. Active years: 2016-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Fujii. Retrieved from https://idiyas.com/inventor/tadashi-fujii-txwp0yxw

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

Calculating rank

% Patents Active = 66.7


Average Co-Inventor Count = 7.9

ph-index = 2

Forward Citations = 21(Granted Patents)


Location History:

  • Machida, JP (2016)
  • Aichi, JP (2019 - 2023)

Company Filing History:


Years Active: 2016-2026

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6 patents (USPTO):Explore Patents

Title: The Innovations of Tadashi Fujii

Introduction

Tadashi Fujii is a notable inventor based in Aichi, Japan, recognized for his contributions to lighting technology. With a total of five patents to his name, Fujii has made significant advancements in the field, particularly in the design and functionality of lighting devices.

Latest Patents

Fujii's latest patents include a lighting device designed for railroad vehicles. This innovative lighting device features an indoor lamp that provides comprehensive illumination within the cabin. It operates using a vehicle body power supply and includes a storage battery for emergency situations. The indoor lamp consists of both a general lamp light source and a standby lamp light source, ensuring continued operation even during power outages. Another notable patent is an illumination lens that effectively directs and distributes light, enhancing visibility and safety.

Career Highlights

Throughout his career, Fujii has worked with prominent companies such as Central Japan Railway Company and Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant projects in the lighting industry.

Collaborations

Fujii has collaborated with talented individuals, including Hajime Ito and Yukinobu Abe, who have contributed to his innovative projects and patents.

Conclusion

Tadashi Fujii's work in lighting technology showcases his inventive spirit and dedication to improving safety and functionality in transportation. His patents reflect a commitment to innovation that continues to impact the industry positively.

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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