Ichihara, Japan

Yoshio Nakayama

This inventor holds 2 USPTO granted patents. Top assignee: Mitsui Petrochemical Industries, Ltd.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Nakayama. Retrieved from https://idiyas.com/inventor/yoshio-nakayama-1ahtr89a

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 = 2

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1991

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2 patents (USPTO):Explore Patents

Title: Innovations of Yoshio Nakayama

Introduction

Yoshio Nakayama is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of membrane filter materials, particularly focusing on organic solvent resistance. With a total of 2 patents to his name, Nakayama's work has implications for various industrial applications.

Latest Patents

His latest patents include a membrane filter material that exhibits excellent organic solvent resistance. This innovative material is formed from a solvent-resistant bismaleimide polymer, created by polymerizing a bismaleimide compound with a perhydrodiaza-type heterocyclic compound. The main structural skeleton of this polymer is designed to enhance its filtering capacity and organic resistance. When formed into hollow fibers or plain films, this polymer achieves high separating and filtering capabilities, making it a valuable asset in filtration technologies.

Career Highlights

Yoshio Nakayama is associated with Mitsui Petrochemical Industries, Ltd., where he continues to develop advanced materials. His expertise in polymer chemistry and material science has positioned him as a key figure in the innovation of filtration technologies.

Collaborations

He has worked alongside notable colleagues such as Kazuyuki Yamasaki and Kimio Yamamoto, contributing to a collaborative environment that fosters innovation and development in their field.

Conclusion

Yoshio Nakayama's contributions to membrane filter materials highlight his role as an influential inventor in the industry. His innovative approaches to enhancing organic solvent resistance in polymers are paving the way for advancements in filtration technologies.

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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