Seiko Epson Corporatioin

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

Nobutada Mizusawa (1 out of 8 patents)

Akihiro Sawada (1 out of 16 patents)

Akihiko Maruyama (1 out of 27 patents)

4. Katsuya Tanaka (1 out of 8 patents)

2 patents: Sort by Forward Citations

1. 12470663 - Information processing apparatus, information processing method, and information processing system (2025-11-11),

2. 6912181 - Electronic timepiece with controlled date display updating (2005-06-28),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#4,379 in Tokyo

#11,154 in Japan

Tokyo, Japan

Seiko Epson Corporatioin

Forward Citations = 1

4 inventors:

Nobutada Mizusawa (1 out of 8 patents)

Akihiro Sawada (1 out of 16 patents)

Akihiko Maruyama (1 out of 27 patents)

4. Katsuya Tanaka (1 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Seiko Epson Corporatioin. Retrieved from https://idiyas.com/company/seiko-epson-corporatioin

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]