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For the Inventor, By the Inventor

Satsumasendai, Japan

Hirotoshi Ito

This inventor holds 9 USPTO granted patents and 2 published patent applications. Top assignee: Kyocera Corporation. Active years: 2022-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotoshi Ito. Retrieved from https://idiyas.com/inventor/hirotoshi-ito

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 = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:

goldMedal9 out of 6,913 
 
Kyocera Corporation
 patents

Years Active: 2022-2025

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9 patents (USPTO):Explore Patents
1. 12454012 - Coated tool (2025-10-28),
2. 12343802 - Coated tool and cutting tool including the same (2025-07-01),
3. 12318845 - Coated tool and cutting tool including the same (2025-06-03),
4. 12246385 - Coated tool and cutting tool including the same (2025-03-11),
5. 12194543 - Coated tool and cutting tool including the same (2025-01-14),
6. 12151289 - Coated tool and cutting tool including same (2024-11-26),
7. 11911829 - Coated tool and cutting tool including same (2024-02-27),
8. 11618936 - Cemented carbide, coated tool using same, and cutting tool (2023-04-04),
9. 11421306 - Cemented carbide, coated tool, and cutting tool (2022-08-23),

Title: Hirotoshi Ito: Innovator in Coated Tool Technology

Introduction

Hirotoshi Ito is a prominent inventor based in Satsumasendai, Japan. He has made significant contributions to the field of coated tools, holding a total of nine patents. His innovative designs focus on enhancing the performance and durability of cutting tools.

Latest Patents

Hirotoshi Ito's latest patents include advancements in coated tool technology. One notable patent describes a coated tool that features a base and a coating film. This coating film consists of an AlO layer and a surface layer, which has a first erosion rate of 0.1 μm/min or less. This erosion rate is measured by colliding a specific liquid with the surface layer. Additionally, the surface layer exhibits a second erosion rate of 2.0 μm/min or more, determined through a different measurement process. Another patent outlines a coated tool that includes an intermediate layer made of titanium and an AlO layer, designed to improve the tool's performance.

Career Highlights

Hirotoshi Ito is currently employed at Kyocera Corporation, where he continues to develop innovative solutions in the field of cutting tools. His work has significantly impacted the industry, leading to advancements that enhance the efficiency and longevity of tools used in various applications.

Collaborations

Hirotoshi has collaborated with notable coworkers, including Tadashi Katsuma and Yuusaku Sugawa. Their combined expertise has contributed to the successful development of new technologies and patents in the field.

Conclusion

Hirotoshi Ito is a distinguished inventor whose work in coated tool technology has led to numerous patents and advancements in the industry. His contributions continue to shape the future of cutting tools, demonstrating the importance of innovation in engineering.

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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