Ohte, Japan

Syunji Ishibashi

This inventor holds 2 USPTO granted patents. Top assignees: Mitsubishi Materials Corporation, Railway Technical Research Institute. Active years: 1995-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Syunji Ishibashi. Retrieved from https://idiyas.com/inventor/syunji-ishibashi

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 = 11.0

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Ohte, JP (1995)
  • Kokubunji, JP (1998)

Company Filing History:


Years Active: 1995-1998

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2 patents (USPTO):Explore Patents

Title: Syunji Ishibashi: Innovator in Electric Railway Technology

Introduction

Syunji Ishibashi is a notable inventor based in Ohte, Japan. He has made significant contributions to the field of electric railway technology, holding 2 patents that showcase his innovative approach to materials used in this industry.

Latest Patents

Ishibashi's latest patents include a wire for electric railways, which comprises a copper alloy consisting essentially, by weight percent, of 0.1 to 1.0% chromium (Cr), 0.01 to 0.3% zirconium (Zr), 0.05 to 0.15% tin (Sn), and 10 ppm or less oxygen (O). If required, it may also contain 0.01 to 0.1% silicon (Si) or a combination of 0.01 to 0.1% Si and 0.001 to 0.05% magnesium (Mg), with the balance being copper (Cu) and inevitable impurities. Another patent details a method for producing wire for electric railways, which involves hot working a copper alloy billet with a similar composition, followed by quenching, cold working, and aging treatment.

Career Highlights

Throughout his career, Ishibashi has worked with prominent organizations such as the Railway Technical Research Institute and Mitsubishi Materials Corporation. His work has significantly impacted the development of materials used in electric railways, enhancing their efficiency and reliability.

Collaborations

Ishibashi has collaborated with esteemed colleagues, including Sumihisa Aoki and Haruhiko Asao, contributing to advancements in railway technology.

Conclusion

Syunji Ishibashi's innovative work in electric railway technology and his valuable patents reflect his dedication to improving the industry. His contributions continue to influence the development of efficient railway systems.

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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