Kure, Japan

Masayuki Koishi

This inventor holds 3 USPTO granted patents. Top assignee: Mazda Motor Corporation. Active years: 1991-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Koishi. Retrieved from https://idiyas.com/inventor/masayuki-koishi

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 = 4.8

ph-index = 3

Forward Citations = 42(Granted Patents)


Company Filing History:


Years Active: 1991-1998

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3 patents (USPTO):Explore Patents

Title: Innovations by Masayuki Koishi in Automotive Catalysts

Introduction

Masayuki Koishi is a notable inventor based in Kure, Japan. He has made significant contributions to the field of automotive technology, particularly in the development of catalysts for exhaust gas purification. With a total of 3 patents to his name, Koishi's work has had a substantial impact on improving vehicle emissions.

Latest Patents

Koishi's latest patents include innovative designs for catalysts aimed at purifying automotive exhaust gases. One of his patents describes a catalyst that features inner and outer catalytic layers stratified on a honeycomb-type carrier. The inner catalytic layer contains a palladium component, along with a nickel oxide component to prevent poisoning of the palladium. In contrast, the outer catalytic layer contains a rhodium component but lacks both palladium and nickel oxide. Another patent focuses on a three-way catalyst that is designed to enhance purification performance at low temperatures. This catalyst comprises a first layer containing palladium and alumina, and a second layer that includes palladium and ceria.

Career Highlights

Masayuki Koishi is currently employed at Mazda Motor Corporation, where he continues to innovate in the automotive sector. His work has been instrumental in advancing technologies that contribute to cleaner automotive emissions.

Collaborations

Koishi has collaborated with notable colleagues such as Hiroshi Murakami and Yasuto Watanabe. Their combined expertise has furthered the development of effective catalytic solutions in the automotive industry.

Conclusion

Masayuki Koishi's contributions to automotive catalyst technology exemplify the importance of innovation in reducing vehicle emissions. His patents reflect a commitment to improving environmental standards in the automotive sector.

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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