Tokyo, Japan

Hiroyasu Niitsuma

This inventor holds 3 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 1 EPO patent. Top assignee: Shinagawa Refractories Co., Ltd.. Active years: 2017-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyasu Niitsuma. Retrieved from https://idiyas.com/inventor/hiroyasu-niitsuma

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 = 3.0

ph-index = 1


Company Filing History:


Years Active: 2017-2024

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3 patents (USPTO):Explore Patents

Title: Innovations of Hiroyasu Niitsuma

Introduction

Hiroyasu Niitsuma is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced nozzle technologies. With a total of three patents to his name, Niitsuma's work has had a considerable impact on industrial processes.

Latest Patents

Niitsuma's latest patents include an immersion nozzle for continuous casting and a submerged entry nozzle. The immersion nozzle features a unique design where the cross-sectional shape of the flow passage varies between circular and flat forms. This innovative design allows for improved flow characteristics, enhancing the efficiency of continuous casting processes. The submerged entry nozzle, on the other hand, is designed with a bottomed cylinder that includes multiple outlet ports. This design optimizes the flow dynamics, ensuring effective operation in various industrial applications.

Career Highlights

Niitsuma is currently employed at Shinagawa Refractories Co., Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of refractories and related materials. His expertise in nozzle design has positioned him as a key figure in his field.

Collaborations

Throughout his career, Niitsuma has collaborated with talented individuals such as Keigo Fujita and Takayuki Matsunaga. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Hiroyasu Niitsuma's contributions to the field of engineering through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence industrial practices and drive advancements in technology.

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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