This inventor holds 4 USPTO granted patents and 5 EPO patents. Top assignee: Mimaki Engineering Company, Ltd.. Active years: 2010-2014.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Yokoyama. Retrieved from https://idiyas.com/inventor/seiichi-yokoyama-3ej8ld2u
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 25.0
EPO Patents = 5
Average Co-Inventor Count = 2.0
ph-index = 2
Forward Citations = 23(Granted Patents)
Location History:
- Tomi, JP (2010 - 2014)
- Nagano, JP (2013 - 2014)
Company Filing History:
Years Active: 2010-2014
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4 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Yokoyama. Retrieved from https://idiyas.com/inventor/seiichi-yokoyama-3ej8ld2u
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]
5 patents (EPO):
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]