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USPTO Data Jan 1 1976 - Oct 6 2026
1 Patents
#6,086 in Tokyo
#15,732 in Japan
Nippon Koyu Ltd.
Forward Citations = 4
4 inventors:
Nippon Koyu Ltd.
Forward Citations = 4
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4 inventors (with patents filed for the assignee):
Eigo Mukasa (1 out of 4 patents)
Kikuo Hosaki (1 out of 4 patents)
Sugako Otake (1 out of 5 patents)
4. Masayuki Morita (1 out of 13 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Koyu Ltd.. Retrieved from https://idiyas.com/company/nippon-koyu
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]