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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#543 in Kanagawa
#15,759 in Japan
Hitachi Storage Technologies Japan, Ltd.
Forward Citations = 0
4 inventors:
Hitachi Storage Technologies Japan, Ltd.
% Expired Patents = 100.0
Forward Citations = 0
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4 inventors (with patents filed for the assignee):
Koji Sakamoto (1 out of 22 patents)
Yotsuo Yahisa (1 out of 37 patents)
Tetsuya Kanbe (1 out of 29 patents)
4. Yoshibumi Matsuda (1 out of 49 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Storage Technologies Japan, Ltd.. Retrieved from https://idiyas.com/company/hitachi-storage-technologies-japan
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]