Tokyo, Japan

Masanari Nakayama

This inventor holds 3 USPTO granted patents and 4 published patent applications and 3 EPO patents. Top assignee: Mitsubishi Chemical Corporation. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanari Nakayama. Retrieved from https://idiyas.com/inventor/masanari-nakayama-6fvwrjsv

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 66.7

 

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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3 patents (USPTO):Explore Patents

Title: Masanari Nakayama: Innovator in Sound Insulation Technology

Introduction

Masanari Nakayama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of sound insulation technology, holding a total of 3 patents. His work focuses on developing innovative solutions that enhance sound insulation performance.

Latest Patents

Masanari Nakayama's latest patents include a sound insulating structure designed to provide a sufficient sound insulating effect, even when an adhesive layer is present. This invention addresses the challenge of maintaining sound insulation effectiveness across various frequency bands. The sound insulating structure comprises a sound insulating member with a sheet-like section and multiple projections, along with an adhesive layer strategically placed on the opposite side of the projections. The invention is defined by a specific formula that ensures optimal performance.

Another notable patent is for a sound insulation sheet member that excels in low-frequency sound insulation while maintaining a compact configuration. This sheet member features a substrate with a concavo-convex structure, which is created by arranging multiple concavo-convex units at consistent intervals. This innovative design enhances the sound insulation capabilities of the material.

Career Highlights

Masanari Nakayama is associated with Mitsubishi Chemical Corporation, where he has been instrumental in advancing sound insulation technologies. His work has garnered attention for its practical applications in various industries, contributing to improved acoustic environments.

Collaborations

Masanari has collaborated with notable colleagues, including Naoyuki Uchida and Kazuma Inoue. Their combined expertise has fostered a collaborative environment that encourages innovation and the development of cutting-edge sound insulation solutions.

Conclusion

Masanari Nakayama's contributions to sound insulation technology reflect his dedication to innovation and excellence. His patents demonstrate a commitment to solving complex acoustic challenges, making a lasting impact in the field.

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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