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USPTO Data Jan 1 1976 - Oct 20 2026
3 Patents
#5 in Mobara
#8,932 in Japan
Hitachi Electronics Devices Co., Ltd.
Forward Citations = 24
12 inventors:
Hitachi Electronics Devices Co., Ltd.
% Expired Patents = 33.3
Forward Citations = 24
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12 inventors (with patents filed for the assignee):
Masahiko Kurihara (1 out of 3 patents)
Seiichi Nishiyama (1 out of 13 patents)
Toshihiro Yajima (1 out of 6 patents)
4. Shigetake Takaku (1 out of 12 patents)
5. Yoshiharu Takeda (1 out of 11 patents)
6. Ken Saito (1 out of 7 patents)
7. Go Uchida (1 out of 28 patents)
8. Toshiyuki Asou (1 out of 1 patent)
9. Shoji Shirai (1 out of 56 patents)
10. Takashi Kinami (1 out of 3 patents)
11. Noboru Mizukami (1 out of 2 patents)
12. Shoichi Noguchi (1 out of 3 patents)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Electronics Devices Co., Ltd.. Retrieved from https://idiyas.com/company/hitachi-electronics-devices-company
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]