Futtsu, Japan

Mikio Yamanaka

This inventor holds 22 USPTO granted patents. Top assignees: Nippon Steel Corporation, Nippon Kinzoku Co., Ltd., Toyota Jidosha Kabushiki Kaisha. Active years: 1978-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mikio Yamanaka. Retrieved from https://idiyas.com/inventor/mikio-yamanaka

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 = 5.3

ph-index = 9

Forward Citations = 220(Granted Patents)


Location History:

  • Machida, JA (1978)
  • Kanagawa, JP (1985 - 1988)
  • Yamato, JP (1980 - 1990)
  • Sagamihara, JP (1984 - 1995)
  • Futtsu, JP (1994 - 2004)

Company Filing History:


Years Active: 1978-2004

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22 patents (USPTO):Explore Patents

Title: Mikio Yamanaka: Pioneer in Metallic Foil Innovations

Introduction

Mikio Yamanaka is an accomplished inventor based in Futtsu, Japan, renowned for his innovations in the field of metallic foils, particularly in applications related to exhaust gas purification. With a remarkable portfolio of 22 patents, Yamanaka’s work is pivotal in enhancing the performance and durability of automotive catalytic converters.

Latest Patents

Among his latest patents are two significant inventions. The first is a rough surface finished metallic foil designed for use in a metallic honeycomb that purifies vehicle exhaust gases. This invention boasts excellent corrugation workability, preventing cracks and ruptures during the bending process. The metallic foil consists of heat-resistant stainless steel, achieving a specified surface roughness between 2.0 and 5.0 µm in Ra, critical for its functionality.

The second patent relates to a metal honeycomb body for exhaust gas purification catalysts. This innovation aims to enhance solid phase diffusion bondability at the contact points between metal flat and corrugated foils. By incorporating specific structural features, such as maintaining a foil thickness of less than 40 µm and ensuring at least 3% aluminum content after bonding, this patent promises to significantly improve engine durability.

Career Highlights

Mikio Yamanaka has built a distinguished career at leading companies in the industry. He has worked at Nippon Steel Corporation and Toyota Motor Corporation, where he applied his expertise in materials science and engineering to develop innovative solutions for automotive applications.

Collaborations

Throughout his career, Yamanaka has collaborated with esteemed professionals, including Keiichi Ohmura and Yasushi Ishikawa. These partnerships have fostered a rich environment of shared knowledge and innovation, contributing to the advancement of catalytic technologies.

Conclusion

Mikio Yamanaka's contributions to the field of metallic foils and exhaust gas purification are invaluable. Through his innovative patents and collaborations with top-tier companies and professionals, he has significantly influenced the advancements in automotive technology. His pioneering work continues to inspire future innovations 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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