Saitama, Japan

Toshiki Asakoshi

This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Mitsui Kinzoku Company, Limited. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiki Asakoshi. Retrieved from https://idiyas.com/inventor/toshiki-asakoshi

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

USPTO Granted Patents = 1 

Average Co-Inventor Count = 1.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Toshiki Asakoshi: Inventor in Exhaust-Gas Purification

Introduction

Toshiki Asakoshi is an inventor associated with Mitsui Kinzoku Company, Limited, and is based in Saitama, Japan. His recorded patent work includes an invention aimed at improving the durability of electrically heated exhaust-gas purification catalysts.

Latest Patents

Asakoshi is credited with 1 patent, titled “Electrically Heated Exhaust Gas Purification Catalyst.” The invention addresses the risk that an electrically heated catalyst may deteriorate and lose exhaust-gas purification performance. It describes a substrate with at least one pair of electrodes, an aluminum-oxide-based undercoat layer containing a Group 2 element, and a catalyst layer containing a noble metal element. The undercoat layer is intended to help preserve the catalyst’s purification performance.

Career Highlights

Asakoshi’s listed invention concerns emissions-control technology, specifically the design of electrically heated catalysts for exhaust-gas purification. His work is associated with Mitsui Kinzoku Company, Limited.

Collaborations

Hironori Iwakura is identified as Asakoshi’s coworker. The available information does not specify their roles in developing the patent or describe any particular collaboration.

Conclusion

Toshiki Asakoshi’s recorded patent highlights a catalyst-layer design intended to support reliable exhaust-gas purification in electrically heated 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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