Aichi, Japan

Junichi Muranaka

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Kabushiki Kaisha Tokai Rika Denki Seisakusho. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junichi Muranaka. Retrieved from https://idiyas.com/inventor/junichi-muranaka

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 = 5.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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2 patents (USPTO):Explore Patents

Title: Junichi Muranaka: Innovator in Webbing Take-Up Devices

Introduction

Junichi Muranaka is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of safety devices, particularly in automotive technology. His innovative approach has led to the development of a unique webbing take-up device that enhances vehicle safety during emergencies.

Latest Patents

Muranaka holds a patent for a webbing take-up device. This device includes a spool that enables the pull-out and take-up of a webbing. It features a rotor that is positioned opposite the spool, with its rotation impeded during emergencies. The device incorporates a wire, with its proximal end retained at the rotor and the distal end at the spool. During a vehicle emergency, the webbing is pulled out, causing the wire to deform and wind onto the spool's winding portion. Additionally, a retreat portion is provided at the winding portion, where the distal end of the wire is located when wound.

Career Highlights

Muranaka is associated with Kabushiki Kaisha Tokai Rika Denki Seisakusho, a company known for its advancements in automotive safety technologies. His work has been instrumental in developing devices that improve passenger safety in vehicles.

Collaborations

Muranaka collaborates with Yoshiteru Sakaguchi, contributing to the innovative projects at their company. Their teamwork has fostered advancements in safety device technology.

Conclusion

Junichi Muranaka's contributions to the field of automotive safety through his webbing take-up device exemplify his innovative spirit. His work continues to impact vehicle safety standards positively.

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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