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USPTO Data Jan 1 1976 - Oct 6 2026
1 Patents
#114 in Ibaraki
#15,732 in Japan
Hitachi Engineering Service
Forward Citations = 2
5 inventors:
Hitachi Engineering Service
Forward Citations = 2
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5 inventors (with patents filed for the assignee):
Junji Sato (1 out of 12 patents)
Takuya Fukuda (1 out of 28 patents)
Kazuo Suzuki (1 out of 15 patents)
4. Satoru Todoroki (1 out of 5 patents)
5. Shunichi Hirose (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Engineering Service. Retrieved from https://idiyas.com/company/hitachi-engineering-service
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]