Leaman, Inc.

Calculating rank

Forward Citations = 11

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6 inventors (with patents filed for the assignee):

Kazumasa Okumura (1 out of 12 patents)

Tetsuro Otobe (1 out of 3 patents)

Hiroshi Matsumoto (1 out of 7 patents)

4. Masaaki Toya (1 out of 2 patents)

5. Kazuo Sato (1 out of 2 patents)

6. Kazuhiro Sasaki (1 out of 4 patents)

1 patent: Sort by Forward Citations

#249 in Nagoya

#15,762 in Japan

Forward Citations = 11

6 inventors:

Kazumasa Okumura (1 out of 12 patents)

Tetsuro Otobe (1 out of 3 patents)

Hiroshi Matsumoto (1 out of 7 patents)

4. Masaaki Toya (1 out of 2 patents)

5. Kazuo Sato (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Leaman, Inc.. Retrieved from https://idiyas.com/company/leaman

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]