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USPTO Data Jan 1 1976 - Nov 3 2026
3 Patents
#151 in Yokohama
#8,945 in Japan
Hitachi Advanced Systems Corporation
Forward Citations = 62
10 inventors:
Hitachi Advanced Systems Corporation
Calculating rank
% Expired Patents = 100.0
EPO Patents = 1
Forward Citations = 62
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10 inventors (with patents filed for the assignee):
Kenzaburo Fujishima (2 out of 44 patents)
Mikio Kuwahara (2 out of 77 patents)
Masanori Taira (2 out of 21 patents)
4. Koji Meguro (2 out of 2 patents)
5. Toru Okamoto (2 out of 5 patents)
6. Munetoshi Unuma (1 out of 25 patents)
7. Hideki Inoue (1 out of 53 patents)
8. Fumitaka Otsu (1 out of 3 patents)
9. Shinobu Satou (1 out of 1 patent)
10. So Higuchi (1 out of 1 patent)
11. So Hitachi Advanced Systems Corp Higuchi (0 patent)
12. Shinobu Hitachi Advanced Systems Corp Satou (0 patent)
13. Munetoshi Hitachi Ltd Ip Group Unuma (0 patent)
14. Fumitaka Hitachi Ltd Ip Group Otsu (0 patent)
15. Hideki Hitachi Ltd Ip Group Inoue (0 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Advanced Systems Corporation. Retrieved from https://idiyas.com/company/hitachi-advanced-systems
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]
1 patent (EPO):
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]