Takasago, Japan

Atsushi Shigeno

This inventor holds 1 USPTO granted patent. Top assignee: Kobe Steel, Ltd.. Active years: 2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsushi Shigeno. Retrieved from https://idiyas.com/inventor/atsushi-shigeno

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 = 5.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2007

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1 patent (USPTO):Explore Patents

Title: Atsushi Shigeno: Inventor of an Improved Die Plate

Introduction

Atsushi Shigeno is an inventor associated with Takasago, Japan, and Kobe Steel, Ltd. His patent work includes an invention designed to improve the durability and manufacturing of die plates.

Latest Patents

Shigeno is credited with 1 patent, titled “Die plate.” The invention concerns a die plate with a hardened surface for sliding a knife. It uses multiple tungsten carbide alloy plates diffusion-bonded to a base metal to form the hardened surface. Nozzle holes are formed on each alloy plate, which has a thickness of at least 2.5 millimeters and two adjacent edges measuring at least 20 millimeters, with each edge no longer than 200 millimeters. The design allows flexible placement of nozzle holes, supports a close arrangement of many holes, helps prevent hardened-surface components from detaching, and can be manufactured with fewer processes.

Career Highlights

Shigeno’s documented patent contribution focuses on die-plate construction, combining hardened alloy surfaces with a base metal to address durability and production considerations. He is associated with Kobe Steel, Ltd.

Collaborations

Osamu Tatsuda and Hiroyuki Takeda are identified as Shigeno’s coworkers.

Conclusion

Atsushi Shigeno’s die-plate patent presents a practical approach to arranging nozzle holes while improving surface durability and simplifying production.

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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