Ibaraki, Japan

Naoto Yamashiro

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Hitachi Koki Co., Ltd.. Active years: 2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoto Yamashiro. Retrieved from https://idiyas.com/inventor/naoto-yamashiro-eyls4tdv

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 = 3.0

ph-index = 1


Company Filing History:


Years Active: 2013

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1 patent (USPTO):Explore Patents

Title: Naoto Yamashiro: Innovator in Portable Belt Grinding Technology

Introduction

Naoto Yamashiro is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of portable grinding tools, particularly with his innovative design of a portable belt grinder. His work exemplifies the blend of practicality and engineering excellence.

Latest Patents

Yamashiro holds a patent for a portable belt grinder, which features a main body housing an electric motor. The design includes a drive pulley and an idle pulley, with an endless abrasive belt wound between them. A unique aspect of this grinder is the hole portion that allows users to visually confirm the side end edge of the abrasive belt from above. Additionally, a transparent cover is mounted on the upper surface of the main body to protect this viewing area.

Career Highlights

Throughout his career, Naoto Yamashiro has been associated with Hitachi Koki Co., Ltd., a company known for its high-quality power tools and equipment. His innovative spirit and technical expertise have contributed to the advancement of portable grinding technology.

Collaborations

Yamashiro has worked alongside talented colleagues such as Akira Onose and Shinichi Sakuma. Their collaborative efforts have further enhanced the development of innovative tools in the industry.

Conclusion

Naoto Yamashiro's contributions to the field of portable grinding tools highlight his inventive spirit and dedication to engineering. His patent for the portable belt grinder showcases his ability to create practical solutions that meet the needs of users.

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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