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USPTO Data Jan 1 1976 - Oct 20 2026
3 Patents
#94 in Chiba
#8,932 in Japan
Hitachi Electronic Devices, Ltd.
Forward Citations = 6
9 inventors:
Hitachi Electronic Devices, Ltd.
Calculating rank
% Expired Patents = 100.0
Forward Citations = 6
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9 inventors (with patents filed for the assignee):
Koji Hashimoto (2 out of 15 patents)
Seiichi Nishiyama (2 out of 13 patents)
Toshihiro Yajima (2 out of 6 patents)
4. Shigetake Takaku (2 out of 12 patents)
5. Yoshiharu Takeda (2 out of 11 patents)
6. Shigeo Mikoshiba (2 out of 36 patents)
7. Tomokazu Shiga (2 out of 14 patents)
8. Yusuke Baba (2 out of 4 patents)
9. Jeffrey Scott Kane (1 out of 1 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Electronic Devices, Ltd.. Retrieved from https://idiyas.com/company/hitachi-electronic-devices
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]