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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#4 in Yokosukashi
#15,759 in Japan
Nippon Marine Enterprises, Ltd.
Forward Citations = 1
7 inventors:
Nippon Marine Enterprises, Ltd.
% Expired Patents = 100.0
CIPO Patents = 1
EPO Patents = 1
Forward Citations = 1
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7 inventors (with patents filed for the assignee):
Yoshitaka Watanabe (1 out of 50 patents)
Takuya Maekawa (1 out of 2 patents)
Kiyoshi Hatakeyama (1 out of 3 patents)
4. Satoshi Shimizu (1 out of 9 patents)
5. Satoshi Shimizu (14 patents)
6. Kasaya Takafumi (0 patent)
7. Goto Tadanori (0 patent)
8. Kawada Yoshifumi (0 patent)
9. Iwamoto Hisanori (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Marine Enterprises, Ltd.. Retrieved from https://idiyas.com/company/nippon-marine-enterprises
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]
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]