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For the Inventor, By the Inventor

Kitakyushu, Japan

Koji Babazono

This inventor holds 5 USPTO granted patents. Top assignee: Nippon Steel Corporation. Active years: 1998-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Babazono. Retrieved from https://idiyas.com/inventor/koji-babazono

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 4

Forward Citations = 38(Granted Patents)


Location History:

  • Kitakyush, JP (2008)
  • Kitakyushi, JP (1998 - 2009)
  • Kitakyushu, JP (2011)

Company Filing History:

goldMedal5 out of 3,713 
 
Nippon Steel Corporation
 patents

Years Active: 1998-2011

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5 patents (USPTO):Explore Patents
1. RE42668 - Pearlitic steel rail having excellent wear resistance and method of producing the same (2011-09-05),
2. RE42360 - Pearlitic steel rail having excellent wear resistance and method of producing the same (2011-05-16),
3. RE41033 - Pearlitic steel rail having excellent wear resistance and method of producing the same (2009-12-07),
4. RE40263 - Pearlitic steel rail having excellent wear resistance and method of producing the same (2008-04-28),
5. 5762723 - Pearlitic steel rail having excellent wear resistance and method of (1998-06-09),

Title: Koji Babazono: Innovator in Steel Rail Technology

Introduction

Koji Babazono is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of materials engineering, particularly in the development of advanced steel rail technologies. With a total of 5 patents to his name, Babazono's work focuses on enhancing the performance and durability of railway components.

Latest Patents

One of Babazono's latest inventions is a pearlitic steel rail that boasts excellent wear resistance. This innovation addresses the challenges faced by rails in sharply curved zones of heavy load railways. The steel composition includes more than 0.85 to 1.20% carbon, 0.10 to 1.00% silicon, and 0.40 to 1.50% manganese, along with optional elements such as chromium, molybdenum, vanadium, niobium, cobalt, and boron. The method of production involves accelerating the cooling of the rail's head portion at a rate of 1° to 10° C. per second, ensuring a hardness of at least Hv 320 within a 20 mm depth. This innovative approach significantly improves both wear and damage resistance.

Career Highlights

Throughout his career, Koji Babazono has worked with notable companies, including Nippon Steel Corporation. His expertise in steel technology has positioned him as a key figure in the industry, contributing to advancements that enhance the safety and efficiency of railway systems.

Collaborations

Some of his notable coworkers include Ken Kutaragi and Masaharu Ueda. Their collaborative efforts have further enriched the field of materials engineering and innovation.

Conclusion

Koji Babazono's contributions to steel rail technology exemplify the impact of innovative thinking in engineering. His patents reflect a commitment to improving the safety and performance of railway systems, making him a significant figure in the industry.

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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