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USPTO Data Jan 1 1976 - Nov 3 2026
1 Patents
#114 in Ibaraki
#15,774 in Japan
Hitachi Engineerings and Services Co I, Ltd.
Forward Citations = 2
4 inventors:
Hitachi Engineerings and Services Co I, Ltd.
Calculating rank
Forward Citations = 2
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4 inventors (with patents filed for the assignee):
Fumio Iida (1 out of 12 patents)
Kazuo Kuroishi (1 out of 4 patents)
Teruhiro Takizawa (1 out of 8 patents)
4. Naofumi Tada (1 out of 15 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Engineerings and Services Co I, Ltd.. Retrieved from https://idiyas.com/company/hitachi-engineerings-and-services-co-i
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]