Tokuyama, Japan

Katsumi Kamiyama

This inventor holds 3 USPTO granted patents. Top assignees: Tosoh Corporation, Kabushiki Kaisha Toyota Chuo Kenkyusho, Toyota Jidosha Kabushiki Kaisha. Active years: 1991-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Kamiyama. Retrieved from https://idiyas.com/inventor/katsumi-kamiyama

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 = 2.8

ph-index = 3

Forward Citations = 63(Granted Patents)


Company Filing History:


Years Active: 1991-1993

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3 patents (USPTO):Explore Patents

Title: Innovations of Katsumi Kamiyama

Introduction

Katsumi Kamiyama is a notable inventor based in Tokuyama, Japan. He has made significant contributions to the field of environmental technology, particularly in the reduction of nitrogen oxides from exhaust gases. With a total of 3 patents, his work has been influential in developing more efficient catalytic processes.

Latest Patents

Kamiyama's latest patents include a process for reducing nitrogen oxides from exhaust gas. This innovative catalyst operates in an oxygen-rich atmosphere and comprises a zeolite with a molar ratio of SiO₂/Al₂O₃ of at least 10, copper, and a rare earth ion, an alkaline earth metal, or a valence variable metal. Another significant patent involves the production of copper-containing zeolites, which serve as catalysts and adsorbents for the removal of nitrogen oxides from exhaust gases.

Career Highlights

Throughout his career, Kamiyama has worked with prominent companies such as Tosoh Corporation and Toyota Chuo Kenkyusho. His expertise in catalysis and environmental technology has positioned him as a key figure in the industry.

Collaborations

Kamiyama has collaborated with notable coworkers, including Kazushige Igawa and Senshi Kasahara. Their combined efforts have contributed to advancements in the field of exhaust gas treatment.

Conclusion

Katsumi Kamiyama's innovative work in reducing nitrogen oxides from exhaust gases showcases his commitment to environmental sustainability. His patents and collaborations reflect his significant impact on 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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