% Expired Patents = 50.0

EPO Patents = 1

Trademarks = 1

Forward Citations = 1

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7 inventors (with patents filed for the assignee):

Kenji Takahashi (1 out of 1 patent)

Hiroichi Sugimori (1 out of 1 patent)

Nobuo Ehara (1 out of 2 patents)

4. Hiroiti Sugimori (1 out of 1 patent)

5. Chitoshi Matsumura (1 out of 2 patents)

6. Satoaki Kawaguchi (1 out of 1 patent)

7. Masanori Kato (1 out of 1 patent)

8. Kenji Takahashi (0 patent)

2 patents: Sort by Forward Citations

1. 8137654 - Method of roasting material containing at least one of V, Mo and Ni and rotary kiln for roasting the same (2012-03-20),

2. 7004992 - Chromium-containing metal and method for producing the same (2006-02-28),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#59 in Toyama 939-0643

#11,133 in Japan

Toyama, Japan

Jfe Material Co., Ltd.

Forward Citations = 1

7 inventors:

Kenji Takahashi (1 out of 1 patent)

Hiroichi Sugimori (1 out of 1 patent)

Nobuo Ehara (1 out of 2 patents)

4. Hiroiti Sugimori (1 out of 1 patent)

5. Chitoshi Matsumura (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Jfe Material Co., Ltd.. Retrieved from https://idiyas.com/company/jfe-material-company

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]

1 patent (EPO):

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]