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USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#134 in Hiroshima, 729-3431
#15,762 in Japan
Extranet Systems Inc.
Forward Citations = 0
4 inventors:
Extranet Systems Inc.
Calculating rank
EPO Patents = 1
Forward Citations = 0
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4 inventors (with patents filed for the assignee):
Shigeyuki Okada (1 out of 2 patents)
Hiroyuki Takahashi (1 out of 97 patents)
Takayoshi Yamamoto (1 out of 1 patent)
4. Takahiro Karakama (1 out of 1 patent)
5. Hiroyuki Takahashi (218 patents)
6. Takayoshi Yamamoto (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Extranet Systems Inc.. Retrieved from https://idiyas.com/company/extranet-systems
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]
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 (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]