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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#6,094 in Tokyo
#15,745 in Japan
Echo Giken Co. Ltd.
Forward Citations = 0
5 inventors:
Echo Giken Co. Ltd.
Forward Citations = 0
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5 inventors (with patents filed for the assignee):
Yasuo Fukuda (1 out of 42 patents)
Masaaki Kato (1 out of 26 patents)
Makoto Takemura (1 out of 93 patents)
4. Kazuaki Souda (1 out of 2 patents)
5. Eiji Suhara (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Echo Giken Co. Ltd.. Retrieved from https://idiyas.com/company/echo-giken-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]
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]