Hitachi Device Engineering Corp

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USPTO Granted Patents = 2

Forward Citations = 22

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8 inventors (with patents filed for the assignee):

Makoto Kimura (2 out of 85 patents)

Takahiro Fujioka (2 out of 11 patents)

Shinji Tojo (2 out of 5 patents)

4. Shinya Kanamitsu (2 out of 5 patents)

5. Akihiko Narisawa (2 out of 3 patents)

6. Yoshiyuki Tanigawa (2 out of 2 patents)

7. Koji Akimoto (2 out of 2 patents)

8. Hiroyuki Mouri (2 out of 2 patents)

2 patents: Sort by Forward Citations

1. 5920115 - Semiconductor device and display unit using the semiconductor device and (1999-07-06),

2. 5767571 - Semiconductor device and display unit using the semiconductor device and (1998-06-16),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#116 in Chiba

#11,147 in Japan

Chiba, Japan

Hitachi Device Engineering Corp

Forward Citations = 22

8 inventors:

Makoto Kimura (2 out of 85 patents)

Takahiro Fujioka (2 out of 11 patents)

Shinji Tojo (2 out of 5 patents)

4. Shinya Kanamitsu (2 out of 5 patents)

5. Akihiko Narisawa (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Device Engineering Corp. Retrieved from https://idiyas.com/company/hitachi-device-engineering

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]