Forward Citations = 2

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8 inventors (with patents filed for the assignee):

Yasushi Kurisu (3 out of 16 patents)

Yu Li (2 out of 6 patents)

Koji Yagyu (2 out of 2 patents)

4. Satoshi Uchida (1 out of 68 patents)

5. Hayato Konnai (1 out of 1 patent)

6. Futoshi Nishimura (1 out of 3 patents)

7. Atsushi Migita (1 out of 2 patents)

8. Yuuki Mishima (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12473606 - Hearth roll for continuous annealing furnace (2025-11-18),

2. 12312646 - Hearth roll for continuous annealing furnace (2025-05-27),

3. 11072845 - Hot dip metal plating bath roll and method of production of hot dip metal plating bath roll (2021-07-27),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#3,548 in Tokyo

#8,932 in Japan

Tokyo, Japan

Nippon Steel Hardfacing Corporation

Forward Citations = 2

8 inventors:

Yasushi Kurisu (3 out of 16 patents)

Yu Li (2 out of 6 patents)

Koji Yagyu (2 out of 2 patents)

4. Satoshi Uchida (1 out of 68 patents)

5. Hayato Konnai (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Steel Hardfacing Corporation. Retrieved from https://idiyas.com/company/nippon-steel-hardfacing

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

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]