Nishio, Japan

Naohisa Ohyama

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Nippon Soken, Inc.. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naohisa Ohyama. Retrieved from https://idiyas.com/inventor/naohisa-ohyama

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1988

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1 patent (USPTO):Explore Patents

Title: Naohisa Ohyama: Innovator in Molecular Sieve Carbon Fibers

Introduction

Naohisa Ohyama is a prominent inventor based in Nishio, Japan. He is known for his significant contributions to the field of carbon fiber technology, particularly in the development of molecular sieve carbon fibers. His innovative work has the potential to revolutionize the way nitrogen is separated and purified from the air.

Latest Patents

Ohyama holds a patent for a "Process for producing molecular sieve carbon fibers." This invention provides molecular sieve carbon fibers capable of separating and purifying nitrogen from air in large quantities. The carbon fibers have diameters ranging from 5 to 50 micrometers and feature micropores that open directly at the surface, with pore sizes of 0.5 nm or less. These fibers can achieve nitrogen separation at a purity of 98% or higher, even reaching 99.9% purity, while operating under relatively low adsorbing pressure and deadsorbing vacuum. Notably, these molecular sieve carbon fibers are resistant to deterioration during operation, ensuring their longevity and effectiveness.

Career Highlights

Ohyama is associated with Nippon Soken, Inc., where he continues to advance his research and development efforts. His work has garnered attention for its practical applications in various industries, particularly in air purification technologies.

Collaborations

Ohyama has collaborated with notable colleagues, including Atushi Kosaka and Makoto Takemura. Their combined expertise has contributed to the successful development of innovative technologies in the field of carbon fibers.

Conclusion

Naohisa Ohyama's contributions to the field of molecular sieve carbon fibers exemplify the impact of innovative thinking in technology. His work not only enhances nitrogen separation processes but also showcases the potential for advancements in material science.

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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