% Expired Patents = 50.0

Trademarks = 4

Forward Citations = 12

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5 inventors (with patents filed for the assignee):

Toshiaki Murata (1 out of 3 patents)

Kazuo Abe (1 out of 16 patents)

Masamichi Kikuchi (1 out of 6 patents)

4. Kazutoshi Sakurai (1 out of 16 patents)

5. Francis J Dougherty (1 out of 1 patent)

2 patents: Sort by Forward Citations

#4,372 in Tokyo

#11,139 in Japan

Eco-Logy Corporation

Forward Citations = 12

5 inventors:

Toshiaki Murata (1 out of 3 patents)

Kazuo Abe (1 out of 16 patents)

Masamichi Kikuchi (1 out of 6 patents)

4. Kazutoshi Sakurai (1 out of 16 patents)

5. Francis J Dougherty (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Eco-Logy Corporation. Retrieved from https://idiyas.com/company/eco-logy

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]