Hiroshi Koike (1 out of 17 patents)
Kazuyoshi Tanaka (1 out of 1 patent)
Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#1,658 in Osaka
#15,762 in Japan
Hitachi Seibu Software, Ltd.
Forward Citations = 10
2 inventors:
Hitachi Seibu Software, Ltd.
Calculating rank
Forward Citations = 10
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2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Seibu Software, Ltd.. Retrieved from https://idiyas.com/company/hitachi-seibu-software
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]