Hitachi Devices Co., Ltd.

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USPTO Granted Patents = 2

Forward Citations = 1

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3 inventors (with patents filed for the assignee):

Akihito Sudo (2 out of 5 patents)

Mitsuhiro Sugiyama (2 out of 13 patents)

Satoshi Moriwaki (2 out of 3 patents)

2 patents: Sort by Forward Citations

1. 6081068 - Color cathode ray tube having improved main lens electrodes (2000-06-27),

2. 5886462 - Color cathode ray tube having correction plate electrodes mounted in (1999-03-23),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#7 in Mobara

#11,147 in Japan

Mobara, Japan

Hitachi Devices Co., Ltd.

Forward Citations = 1

3 inventors:

Akihito Sudo (2 out of 5 patents)

Mitsuhiro Sugiyama (2 out of 13 patents)

Satoshi Moriwaki (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Devices Co., Ltd.. Retrieved from https://idiyas.com/company/hitachi-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]