Kyoto, Japan

Junji Okayama

This inventor holds 3 USPTO granted patents. Top assignee: Horiba, Ltd.. Active years: 1986-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junji Okayama. Retrieved from https://idiyas.com/inventor/junji-okayama

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 = 3.7

ph-index = 3

Forward Citations = 40(Granted Patents)


Company Filing History:


Years Active: 1986-2003

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3 patents (USPTO):Explore Patents

Title: Innovations by Junji Okayama in Particulate Matter Analysis

Introduction

Junji Okayama is a notable inventor based in Kyoto, Japan, recognized for his contributions to the field of particulate matter analysis. He holds three patents that focus on advanced methods and apparatuses for analyzing emissions from diesel engines. His work is crucial in addressing environmental concerns related to air quality and emissions.

Latest Patents

Okayama's latest patents include an "Apparatus and method for analyzing particulate matter in gas" and an "Apparatus and method for carbon differentiating." The first invention provides a method for analyzing particulate matter in engine emissions with high precision. It allows for the individual fractionation of dry soot, soluble organic fractions (SOF), and sulfate contained in particulate matter, even in minimal amounts. The second invention offers a carbon differentiating and analyzing apparatus that can accurately differentiate between organic and elemental carbon in a sample. This apparatus significantly reduces the time required for analysis while maintaining precision.

Career Highlights

Junji Okayama is associated with Horiba, Ltd., a company known for its innovative solutions in measurement and analysis technology. His work at Horiba has contributed to advancements in environmental monitoring and emissions analysis, making a significant impact in the field.

Collaborations

Okayama has collaborated with notable colleagues, including Naoki Noguchi and Hiroyuki Amimoto. Their combined expertise has further enhanced the development of innovative technologies in particulate matter analysis.

Conclusion

Junji Okayama's inventions play a vital role in improving the accuracy and efficiency of emissions analysis. His contributions are essential for advancing environmental protection efforts and ensuring cleaner air quality.

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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