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For the Inventor, By the Inventor

Tokyo, Japan

Kiyohiro Tarumi

This inventor holds 5 USPTO granted patents. Top assignee: Nippon Steel Hardfacing Co., Ltd.. Active years: 1995-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyohiro Tarumi. Retrieved from https://idiyas.com/inventor/kiyohiro-tarumi

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 28(Granted Patents)


Location History:

  • Nakatsu, JP (1995)
  • Fukuoka, JP (1999)
  • Tokyo, JP (2001 - 2003)

Company Filing History:

goldMedal5 out of 9 
 
Nippon Steel Hardfacing Co., Ltd.
 patents

Years Active: 1995-2003

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5 patents (USPTO):Explore Patents
1. 6569546 - Member with film formed by thermal spraying of thermal spray material (2003-05-27),
2. 6284320 - Method for producing member for molten metal bath having coating film excellent in resistance to corrosion by molten metal (2001-09-04),
3. 6214483 - Member for molten metal bath, provided with composite sprayed coating having excellent corrosion resistance and peeling resistance against molten metal (2001-04-10),
4. 5952054 - Method of forming spray deposit and integrated sealer layer (1999-09-14),
5. 5395661 - Method of manufacturing an immersion member with pore-sealing layer (1995-03-07),

Title: Kiyohiro Tarumi: Innovator in Thermal Spraying Technology

Introduction

Kiyohiro Tarumi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of thermal spraying technology, holding a total of 5 patents. His work focuses on enhancing the durability and performance of materials used in various industrial applications.

Latest Patents

One of Tarumi's latest patents is for a member with a film formed by thermal spraying of thermal spray material. This innovation involves creating a coating film through thermal spraying, utilizing a double oxide that forms a monophasic oxide. The thermal spray material includes at least one trivalent metal element selected from a group that includes Al, Ti, V, Cr, Co, Rh, and Sc, Y, along with lanthanoid elements from rare earths.

Another notable patent is a method for producing a member for a molten metal bath that has a coating film excellent in resistance to corrosion by molten metal. This method involves applying a sealing solution on a coating formed of oxide system ceramics on the outermost surface of a substrate. The sealing solution contains an inorganic colloid compound solution with specific grain diameters and weight percentages, ensuring enhanced durability and performance.

Career Highlights

Kiyohiro Tarumi is currently employed at Nippon Steel Hardfacing Co., Ltd., where he continues to innovate and develop advanced thermal spraying techniques. His expertise in this field has positioned him as a key figure in enhancing material performance in industrial applications.

Collaborations

Throughout his career, Tarumi has collaborated with notable colleagues, including Takao Sato and Munetoshi Hiroshige. These collaborations have contributed to the advancement of thermal spraying technologies and the development of innovative solutions in the industry.

Conclusion

Kiyohiro Tarumi's contributions to thermal spraying technology have significantly impacted material science and industrial applications. His innovative patents and ongoing work at Nippon Steel Hardfacing Co., Ltd. highlight his dedication to advancing technology in this 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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