Shanghai, China

Dajiang Yu

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Baoshan Iron & Steel Co., Ltd.. Active years: 2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dajiang Yu. Retrieved from https://idiyas.com/inventor/dajiang-yu

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2022

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1 patent (USPTO):Explore Patents

Title: Dajiang Yu: Innovator in Steel Manufacturing

Introduction

Dajiang Yu is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of materials science, particularly in the development of advanced steel manufacturing techniques. His innovative approach has led to the creation of a unique type of steel that enhances performance in various applications.

Latest Patents

Dajiang Yu holds a patent for "Free machining and non-quenched and tempered steel and manufacturing method therefor." This invention involves a free-cutting and non-quenched and tempered steel, which comprises specific chemical elements by mass percentages: C: 0.35-0.45%, Si: 0.45-0.65%, Mn: 1.35-1.65%, S: 0.025-0.065%, V: 0.07-0.15%, Ti: 0.01-0.018%, N: 0.012-0.017%, Al: 0.015-0.035%, Ca: 0.0008-0.0025%, with the remaining being iron and other unavoidable impurities. The relationship between the S and Ca elements is defined as S/Ca=20-60. The manufacturing method includes several steps: smelting and refining, casting, rolling, forging, and two-stage cooling.

Career Highlights

Dajiang Yu is associated with Baoshan Iron & Steel Co., Ltd., a leading company in the steel industry. His work has been instrumental in advancing the capabilities of steel products, making them more efficient and effective for various industrial applications. His innovative methods have garnered attention and respect within the engineering community.

Collaborations

Dajiang Yu has collaborated with notable colleagues, including Rui Huang and Xijun Jiang. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of materials science.

Conclusion

Dajiang Yu's contributions to steel manufacturing exemplify the importance of innovation in materials science. His patented methods and collaborative efforts continue to influence the industry positively. His work not only enhances the quality of steel products but also sets a benchmark for future advancements in the field.

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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