Ibaraki, Japan

Shinichi Sakuma

This inventor holds 3 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Hitachi Koki Co., Ltd.. Active years: 2007-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinichi Sakuma. Retrieved from https://idiyas.com/inventor/shinichi-sakuma

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

USPTO Granted Patents = 3 

% Patents Active = 66.7


Average Co-Inventor Count = 2.3

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2007-2013

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3 patents (USPTO):Explore Patents

Title: Innovations by Shinichi Sakuma

Introduction

Shinichi Sakuma is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of engineering, particularly in the development of power tools. With a total of 3 patents to his name, Sakuma continues to innovate and improve the functionality of various cutting and grinding machines.

Latest Patents

One of his latest inventions is the portable belt grinder. This device comprises a main body with an electric motor built within it. It features a drive pulley located in the lower portion of the main body, which is rotationally driven by the electric motor. An idle pulley accompanies the drive pulley, and an endless abrasive belt is wound between the two pulleys. A unique aspect of this portable belt grinder is the hole portion formed in the main body, allowing 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 cover this hole portion.

Another significant invention by Sakuma is the electric-powered cutting machine with a blade holding mechanism. This machine includes a reciprocable plunger that protrudes outward from a housing. An operation member is capable of pivoting on the housing, and a blade holding mechanism is located at the tip end of the plunger. This mechanism allows for a blade to be detachably attached to the plunger. The operation member consists of an operation portion and an abutting portion, with the distance from the operation portion to the rotating fulcrum being longer than that from the abutting portion. The blade holding mechanism is biased and can swing, enabling the blade to be attached or detached through the swinging of a rotating member.

Career Highlights

Shinichi Sakuma is currently employed at Hitachi Koki Co., Ltd., where he continues to develop innovative tools and machinery. His work has significantly impacted the efficiency and effectiveness of power tools used in various industries.

Collaborations

Sakuma has collaborated with notable coworkers, including Naoya Eto and Akira Onose, contributing to the advancement of technology in their field.

Conclusion

Shinichi Sakuma's contributions to the field of engineering through his innovative patents demonstrate his commitment to improving power tools. His inventions, such as the portable belt grinder and electric-powered cutting machine, reflect his expertise and creativity

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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