Sagamihara, Japan

Shigenobu Soneda

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Steel Corporation. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigenobu Soneda. Retrieved from https://idiyas.com/inventor/shigenobu-soneda

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 = 15(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: Shigenobu Soneda and Welding Flux Innovation.

Introduction

Shigenobu Soneda is an inventor associated with Sagamihara, Japan, and Nippon Steel Corporation. His patent work addresses welding flux designed to support clean, reliable welds.

Latest Patents

Soneda is credited with 1 patent: “Low-hydrogen, low-nitrogen, low-oxygen welding flux.” The invention describes a flux formulated with calcium oxide, magnesium oxide, aluminum oxide, and silicon dioxide. Its aim is to produce weld metal with low oxygen, nitrogen, and hydrogen content while maintaining well-formed weld beads and avoiding welding defects.

Career Highlights

Soneda’s listed invention reflects work on improving weld quality through the composition of welding materials. The patent associates this work with Nippon Steel Corporation.

Collaborations

Kyoichi Nagano and Koichi Shinada are identified as Soneda’s coworkers.

Conclusion

Shigenobu Soneda’s patent focuses on a carefully formulated welding flux intended to reduce impurities and help produce sound, well-formed welds.

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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