Ibaragi pref., Japan

Fumio Hataya

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Hataya. Retrieved from https://idiyas.com/inventor/fumio-hataya-mg6n5o5e

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 = 8.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:

goldMedal1 out of 834,601 
Other
 patents

Years Active: 1985

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Fumio Hataya: Innovator in Low C-Cr-Mo Steel

Introduction

Fumio Hataya is a notable inventor based in Ibaragi Prefecture, Japan. He has made significant contributions to the field of materials science, particularly in the development of specialized steel alloys. His innovative work has implications for various industrial applications, especially in the energy sector.

Latest Patents

Fumio Hataya holds a patent for a novel low C-Cr-Mo steel that exhibits excellent weldability and high erosion-corrosion resistance under wet steam conditions. This steel composition includes, by weight, 0.02-0.14% of carbon, not more than 0.90% of silicon, 0.30-0.80% of manganese, 0.70-1.60% of chromium, 0.40-0.70% of molybdenum, with the remainder being substantially iron. This innovative material is particularly suitable for fabricating components in feed-water heaters used in nuclear power generation plants. The weldability and erosion-corrosion resistance of this steel can be further enhanced by the addition of secondary components such as copper, nitrogen, or boron, as well as tertiary components like niobium or vanadium, and quaternary components including aluminum, titanium, or zirconium in specified amounts.

Career Highlights

Throughout his career, Fumio Hataya has focused on advancing the properties of steel alloys to meet the demanding requirements of modern engineering applications. His work has been instrumental in improving the performance and durability of materials used in critical infrastructure.

Collaborations

Fumio has collaborated with notable colleagues such as Masakiyo Izumiya and Syuzo Ueda, contributing to the advancement of materials science through shared expertise and innovative ideas.

Conclusion

Fumio Hataya's contributions to the development of low C-Cr-Mo steel highlight his role as a key innovator in materials science. His patented work not only enhances the performance of steel used in energy applications but also showcases 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]
Loading…