% Expired Patents = 100.0

Forward Citations = 6

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3 inventors (with patents filed for the assignee):

Masamichi Shimoda (1 out of 26 patents)

Katsumi Abe (1 out of 73 patents)

Koichi Iguchi (1 out of 6 patents)

1 patent: Sort by Forward Citations

1. 7307605 - Driving circuit of current-driven device, current-driven apparatus, and method of driving the same (2007-12-11),

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USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#831 in

#15,759 in Japan

JP

Nec Corporation and Nec Electronics Corporation

Forward Citations = 6

3 inventors:

Masamichi Shimoda (1 out of 26 patents)

Katsumi Abe (1 out of 73 patents)

Koichi Iguchi (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nec Corporation and Nec Electronics Corporation. Retrieved from https://idiyas.com/company/nec-and-nec-electronics

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]