Hiroshima, Japan

Naoko Yorozu

This inventor holds 2 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Mazda Motor Corporation. Active years: 2010-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoko Yorozu. Retrieved from https://idiyas.com/inventor/naoko-yorozu

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

USPTO Granted Patents = 2 

% Patents Active = 50.0

 

Average Co-Inventor Count = 4.8

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2010-2017

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2 patents (USPTO):Explore Patents

Title: Naoko Yorozu: Innovator in Sound Absorption Technology

Introduction

Naoko Yorozu is a prominent inventor based in Hiroshima, Japan. He has made significant contributions to the field of sound insulation, particularly in automotive applications. With a total of 2 patents, his work focuses on enhancing the acoustic performance of vehicle interiors.

Latest Patents

Yorozu's latest patents include a noise insulation structure for cabin floors. This innovative design features a floor carpet placed on a floor panel, which forms the cabin floor surface. The carpet consists of a skin layer that blocks airflow and a sound-absorption layer made from a specialized material that allows airflow. The sound-absorption layer is positioned below the skin layer and is sealed with a member that surrounds it, ensuring effective sound insulation. Another patent involves a sound-absorbing material characterized by specific flow resistivity, Young's modulus, and loss factor, which enhances sound absorption across a wide frequency range.

Career Highlights

Naoko Yorozu is currently employed at Mazda Motor Corporation, where he applies his expertise in sound insulation technologies. His work has been instrumental in improving the acoustic comfort of vehicles, making them quieter and more enjoyable for passengers.

Collaborations

Yorozu has collaborated with notable colleagues, including Eiji Murasawa and Chie Fukuhara, who contribute to the innovative environment at Mazda. Their teamwork fosters advancements in automotive technology, particularly in sound absorption.

Conclusion

Naoko Yorozu's contributions to sound insulation technology reflect his dedication to innovation in the automotive industry. His patents demonstrate a commitment to enhancing vehicle comfort through effective sound-absorbing materials and structures.

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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