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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#78 in Ibaraki
#11,139 in Japan
Hitachi Service Engineering, Ltd.
Forward Citations = 7
11 inventors:
Hitachi Service Engineering, Ltd.
Forward Citations = 7
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11 inventors (with patents filed for the assignee):
Manabu Matsumoto (2 out of 26 patents)
Takashi Ikeguchi (2 out of 21 patents)
Kazuo Kuroishi (2 out of 4 patents)
4. Tadasi Sonobe (2 out of 17 patents)
5. Toshiaki Kobari (1 out of 13 patents)
6. Toru Murashita (1 out of 8 patents)
7. Shinjiro Ueda (1 out of 17 patents)
8. Shinjiroo Ueda (1 out of 10 patents)
9. Shunji Kakiuchi (1 out of 5 patents)
10. Satoshi Ido (1 out of 5 patents)
11. Yoshiaki Kazawa (1 out of 3 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Service Engineering, Ltd.. Retrieved from https://idiyas.com/company/hitachi-service-engineering
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]