Forward Citations = 2

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5 inventors (with patents filed for the assignee):

Giichi Matsuo (1 out of 18 patents)

Akio Mehara (1 out of 4 patents)

Daizo Kobayashi (1 out of 1 patent)

4. Tsuyoshi Nakano (1 out of 1 patent)

5. Motosuke Sugahara (1 out of 1 patent)

1 patent: Sort by Forward Citations

#6,102 in Tokyo

#15,759 in Japan

Toa Steel Corporation

Forward Citations = 2

5 inventors:

Giichi Matsuo (1 out of 18 patents)

Akio Mehara (1 out of 4 patents)

Daizo Kobayashi (1 out of 1 patent)

4. Tsuyoshi Nakano (1 out of 1 patent)

5. Motosuke Sugahara (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toa Steel Corporation. Retrieved from https://idiyas.com/company/toa-steel

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]