Forward Citations = 8

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7 inventors (with patents filed for the assignee):

Tetsuji Takaoka (1 out of 7 patents)

Eiji Akahane (1 out of 13 patents)

Teruyuki Yamada (1 out of 5 patents)

4. Tomoya Hirano (1 out of 3 patents)

5. Yusuke Harayama (1 out of 5 patents)

6. Kazushige Tasaki (1 out of 4 patents)

7. Masayoshi Nakajima (1 out of 3 patents)

1 patent: Sort by Forward Citations

#6,094 in Tokyo

#15,745 in Japan

Catepillar Japan Ltd.

Forward Citations = 8

7 inventors:

Tetsuji Takaoka (1 out of 7 patents)

Eiji Akahane (1 out of 13 patents)

Teruyuki Yamada (1 out of 5 patents)

4. Tomoya Hirano (1 out of 3 patents)

5. Yusuke Harayama (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Catepillar Japan Ltd.. Retrieved from https://idiyas.com/company/catepillar-japan

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]