Tokyo, Japan

Kazutaka Kobayashi

This inventor holds 7 USPTO granted patents. Top assignees: Japan Tobacco Inc., Nkk Corporation, Kabushiki Kaisha Toshiba. Active years: 1986-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazutaka Kobayashi. Retrieved from https://idiyas.com/inventor/kazutaka-kobayashi-nu2m29yf

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 46(Granted Patents)


Company Filing History:


Years Active: 1986-2002

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7 patents (USPTO):Explore Patents

Title: Kazutaka Kobayashi: Innovator in Rail Technology

Introduction

Kazutaka Kobayashi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of rail technology, holding a total of 7 patents. His innovative work focuses on developing high-strength and damage-resistant rail systems.

Latest Patents

Kobayashi's latest patents include a high-strength, damage-resistant rail that features a unique hardness distribution. This rail is made from a specific composition of materials, including 0.6 to 0.85 wt % carbon and various other elements, ensuring excellent damage resistance at its head top portion. Another notable patent is for a high-abrasion bainite rail that excels in resistance to rolling fatigue and failure. This rail consists of a carefully balanced mix of materials, resulting in a uniform bainite structure and impressive hardness levels. Additionally, he has developed a rail characterized by high toughness and wear resistance, which also meets stringent tensile strength requirements.

Career Highlights

Throughout his career, Kazutaka Kobayashi has worked with notable companies such as Japan Tobacco Inc. and NKK Corporation. His experience in these organizations has allowed him to refine his expertise in rail technology and contribute to advancements in the industry.

Collaborations

Kobayashi has collaborated with esteemed colleagues, including Tomizou Nagata and Sadahiro Yamamoto. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Kazutaka Kobayashi's work in rail technology exemplifies his commitment to innovation and excellence. His patents reflect a deep understanding of material science and engineering, contributing to safer and more efficient rail 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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