EPO Patents = 2

Trademarks = 1

Forward Citations = 8

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4 inventors (with patents filed for the assignee):

Satoru Koizumi (1 out of 1 patent)

Koji Muratsubaki (1 out of 4 patents)

Atsushi Arai (1 out of 1 patent)

4. Kinzo Osumi (1 out of 1 patent)

5. Satoru Koizumi (0 patent)

6. Kinzo Osumi (0 patent)

2 patents: Sort by Forward Citations

#36 in Gunma

#11,133 in Japan

Iris Co., Ltd.

Forward Citations = 8

4 inventors:

Satoru Koizumi (1 out of 1 patent)

Koji Muratsubaki (1 out of 4 patents)

Atsushi Arai (1 out of 1 patent)

4. Kinzo Osumi (1 out of 1 patent)

5. Satoru Koizumi (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Iris Co., Ltd.. Retrieved from https://idiyas.com/company/iris-company

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]

2 patents (EPO):

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]