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For the Inventor, By the Inventor

Yonago, Japan

Norimasa Uchida

This inventor holds 8 USPTO granted patents. Top assignee: Hitachi Metals, Ltd.. Active years: 1978-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norimasa Uchida. Retrieved from https://idiyas.com/inventor/norimasa-uchida

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 101(Granted Patents)


Location History:

  • Matsue, JP (1978 - 1983)
  • Yonago, JP (1989 - 1997)
  • Tottori, JP (1998)

Company Filing History:

goldMedal8 out of 2,333 
 
Hitachi Metals, Ltd.
 patents

Years Active: 1978-1998

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8 patents (USPTO):Explore Patents
1. 5754935 - Vane material and process for preparing same (1998-05-19),
2. 5651842 - High toughness high-speed steel member and manufacturing method (1997-07-29),
3. 5403372 - Vane material, vane, and method of producing vane (1995-04-04),
4. 5252119 - High speed tool steel produced by sintering powder and method of (1993-10-12),
5. 5063116 - Wire for dot printer (1991-11-05),
6. 4880461 - Super hard high-speed tool steel (1989-11-14),
7. 4400222 - Method for treating surfaces (1983-08-23),
8. 4116684 - High speed tool steel having high toughness (1978-09-26),

Title: Norimasa Uchida: Innovator in Vane Materials and High-Speed Steel

Introduction

Norimasa Uchida is a prominent inventor based in Yonago, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced vane materials and high-speed steel members. With a total of 8 patents to his name, Uchida's work has had a substantial impact on various industrial applications.

Latest Patents

Uchida's latest patents include a vane material and a process for preparing the same. This invention provides a vane material with excellent scuffing resistance for compressors using alternative Freon gas as a cooling medium. The vane material consists of a carefully formulated base material with specific percentages of carbon, silicon, manganese, chromium, tungsten, molybdenum, vanadium, niobium, cobalt, and iron, along with additive particles of carbide and nitride. Another notable patent is for a high-speed steel member and its manufacturing method. This member features a unique composition that enhances toughness and reduces anisotropy in mechanical properties, making it highly useful for plastic working.

Career Highlights

Norimasa Uchida is associated with Hitachi Metals, Ltd., where he has been instrumental in advancing material technologies. His innovative approaches have led to the development of products that meet the demanding requirements of modern engineering applications. Uchida's expertise in material composition and processing has positioned him as a key figure in his field.

Collaborations

Uchida has collaborated with notable colleagues, including Hideki Nakamura and Junichi Nishida. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Norimasa Uchida's contributions to the field of materials science, particularly through his patents on vane materials and high-speed steel, highlight his role as a leading inventor. His work continues to influence the industry and pave the way for future innovations.

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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