Tokyo, Japan

Ryohei Yamada

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignees: The Furukawa Electric Co., Ltd., Uacj Corporation. Active years: 2024-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryohei Yamada. Retrieved from https://idiyas.com/inventor/ryohei-yamada-m8p08l30

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 4.7

ph-index = 1


Company Filing History:


Years Active: 2024-2025

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4 patents (USPTO):Explore Patents

Title: Ryohei Yamada: Innovator in Magnetic Disk Technology

Introduction

Ryohei Yamada is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of magnetic disk technology, holding a total of 4 patents. His innovative designs and methods have advanced the efficiency and durability of magnetic disk devices.

Latest Patents

Yamada's latest patents include a magnetic disk device and a method for manufacturing such devices. The magnetic disk device comprises a plurality of disk-shaped magnetic disks, spacers, a hub, a clamp, and a fastening member. Each magnetic disk features a through-hole in its center section, allowing for the insertion of the hub. The clamp is designed to press and hold the magnetic disks and spacers securely. Another notable patent is for an impact-resistant magnetic disk device, which also includes a similar configuration but focuses on enhancing durability through specific design features.

Career Highlights

Throughout his career, Ryohei Yamada has worked with notable companies such as UACJ Corporation and The Furukawa Electric Co., Ltd. His experience in these organizations has contributed to his expertise in magnetic disk technology and innovation.

Collaborations

Yamada has collaborated with several talented individuals in his field, including Kotaro Kitawaki and Hideyuki Hatakeyama. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Ryohei Yamada's contributions to magnetic disk technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in technology.

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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