Kakegawa, Japan

Noboru Ishizawa

This inventor holds 1 USPTO granted patent. Top assignees: Kawasaki Jukogyo Kabushiki Kaisha, Nichidai Filter Corporation, Shinba Iron Works Corporation. Active years: 2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noboru Ishizawa. Retrieved from https://idiyas.com/inventor/noboru-ishizawa

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 = 5.0

ph-index = 1


Company Filing History:


Years Active: 2022

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1 patent (USPTO):Explore Patents

Title: Noboru Ishizawa: Inventor of an Integrated Catalyst Unit

Introduction

Noboru Ishizawa is an inventor associated with Kakegawa, Japan. His patent work includes an exhaust-system design that integrates a catalyst and a secondary air valve into a single unit.

Latest Patents

Ishizawa is credited with 1 patent: “Catalyst Unit and Exhaust Structure of Engine Including Same.” The invention describes a detachable muffler and a catalyst positioned upstream to purify engine exhaust. A secondary air valve supplies air to the exhaust passage upstream of the catalyst, and the valve and catalyst are integrated into a unit installed between the engine and muffler.

Career Highlights

Ishizawa’s listed company affiliations include Kawasaki Jukogyo Kabushiki Kaisha and Nichidai Filter Corporation. His patent reflects work on engine exhaust structures and the integration of components for exhaust treatment.

Collaborations

His listed coworkers include Hideki Takatsuka and Tadashi Kato.

Conclusion

Noboru Ishizawa’s recorded invention focuses on an integrated catalyst and secondary air valve designed for an engine exhaust system.

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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