Jfe Holdings, Inc.

Calculating rank

% Expired Patents = 100.0

Forward Citations = 92

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10 inventors (with patents filed for the assignee):

Yotaro Ohno (3 out of 10 patents)

Masatsugu Mizuguchi (3 out of 11 patents)

Masami Ono (3 out of 8 patents)

4. Tsutomu Shikada (3 out of 17 patents)

5. Kaoru Fujimoto (2 out of 9 patents)

6. Takashi Ogawa (2 out of 53 patents)

7. Keiichi Okuyama (1 out of 8 patents)

8. Seiji Aoki (1 out of 6 patents)

9. Keiji Tomura (1 out of 7 patents)

10. Takashi Ogawa (1 out of 41 patents)

3 patents: Sort by Forward Citations

#3,552 in Tokyo

#8,938 in Japan

Forward Citations = 92

10 inventors:

Yotaro Ohno (3 out of 10 patents)

Masatsugu Mizuguchi (3 out of 11 patents)

Masami Ono (3 out of 8 patents)

4. Tsutomu Shikada (3 out of 17 patents)

5. Kaoru Fujimoto (2 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Jfe Holdings, Inc.. Retrieved from https://idiyas.com/company/jfe-holdings

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]