Iwaki, Japan

Hiroya Shikama

This inventor holds 9 USPTO granted patents and 8 published patent applications and 1 EPO patent. Top assignee: Tungaloy Corporation. Active years: 2018-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroya Shikama. Retrieved from https://idiyas.com/inventor/hiroya-shikama

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

USPTO Granted Patents = 9 

% Patents Active = 77.8

 

Average Co-Inventor Count = 1.1

ph-index = 2

Forward Citations = 53(Granted Patents)


Company Filing History:


Years Active: 2018-2026

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9 patents (USPTO):Explore Patents

Title: Hiroya Shikama: Innovator in Cutting Tool Technology

Introduction

Hiroya Shikama is a notable inventor based in Iwaki, Japan. He has made significant contributions to the field of cutting tool technology, holding a total of 9 patents. His innovative designs focus on enhancing the efficiency and effectiveness of cutting tools used in various industrial applications.

Latest Patents

Shikama's latest patents include a guide pad and gun drill featuring a guide pad. This invention provides a guide pad with sufficient strength, which includes a first surface, a second flat surface, and a third surface connecting the two. The design ensures that when viewed along a rotational center axis, the first surface is circular-arc-shaped, optimizing the tool's performance. Another notable patent is for a cutting tool body designed for indexable inserts and a round milling insert. This invention prevents floating or rattling during the mounting of the milling insert, featuring a recessed portion that fits the protrusions of the milling insert securely.

Career Highlights

Hiroya Shikama is currently associated with Tungaloy Corporation, a company renowned for its cutting tool solutions. His work has significantly impacted the design and functionality of cutting tools, making them more reliable and efficient for industrial use.

Collaborations

Shikama collaborates with Ryuichi Saji, contributing to the development of innovative cutting tool technologies. Their partnership has led to advancements that enhance the performance and reliability of cutting tools in various applications.

Conclusion

Hiroya Shikama's contributions to cutting tool technology through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to shape the future of cutting tools, ensuring they meet the demands of modern manufacturing.

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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