CIPO Patents = 1

EPO Patents = 2

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

Naoyuki Kamatani (2 out of 3 patents)

Takeshi Nishino (1 out of 31 patents)

Kamatani Naoyuki (0 patent)

2 patents: Sort by Forward Citations

#4,372 in Tokyo

#11,139 in Japan

Stagen Co., Ltd.

Forward Citations = 0

2 inventors:

Naoyuki Kamatani (2 out of 3 patents)

Takeshi Nishino (1 out of 31 patents)

Kamatani Naoyuki (0 patent)

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

1 patent (CIPO):

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]